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5390866161469 is a prime number
BaseRepresentation
bin100111001110010100010…
…1010011001111100111101
3201002100202201202102110001
41032130220222121330331
51201310443214131334
615244310230514301
71064322455213245
oct116345052317475
921070681672401
105390866161469
111799287454878
12730952205991
133014832c1609
14148cc2854b25
1595367302714
hex4e728a99f3d

5390866161469 has 2 divisors, whose sum is σ = 5390866161470. Its totient is φ = 5390866161468.

The previous prime is 5390866161409. The next prime is 5390866161493. The reversal of 5390866161469 is 9641616680935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5387217397444 + 3648764025 = 2321038^2 + 60405^2 .

It is a cyclic number.

It is not a de Polignac number, because 5390866161469 - 229 = 5390329290557 is a prime.

It is a super-2 number, since 2×53908661614692 (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5390866161469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5390866161409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2695433080734 + 2695433080735.

It is an arithmetic number, because the mean of its divisors is an integer number (2695433080735).

Almost surely, 25390866161469 is an apocalyptic number.

It is an amenable number.

5390866161469 is a deficient number, since it is larger than the sum of its proper divisors (1).

5390866161469 is an equidigital number, since it uses as much as digits as its factorization.

5390866161469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 5390866161469 in words is "five trillion, three hundred ninety billion, eight hundred sixty-six million, one hundred sixty-one thousand, four hundred sixty-nine".