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53860381469 is a prime number
BaseRepresentation
bin110010001010010101…
…000011001100011101
312011000121210212110022
4302022111003030131
51340301224201334
640424302521525
73614465455136
oct621225031435
9164017725408
1053860381469
1120929865864
12a5318962a5
13510478890b
14286d2dcc8d
15160373b82e
hexc8a54331d

53860381469 has 2 divisors, whose sum is σ = 53860381470. Its totient is φ = 53860381468.

The previous prime is 53860381459. The next prime is 53860381493. The reversal of 53860381469 is 96418306835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46692727225 + 7167654244 = 216085^2 + 84662^2 .

It is a cyclic number.

It is not a de Polignac number, because 53860381469 - 224 = 53843604253 is a prime.

It is a super-2 number, since 2×538603814692 (a number of 22 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 53860381469.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53860381409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26930190734 + 26930190735.

It is an arithmetic number, because the mean of its divisors is an integer number (26930190735).

Almost surely, 253860381469 is an apocalyptic number.

It is an amenable number.

53860381469 is a deficient number, since it is larger than the sum of its proper divisors (1).

53860381469 is an equidigital number, since it uses as much as digits as its factorization.

53860381469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 53.

The spelling of 53860381469 in words is "fifty-three billion, eight hundred sixty million, three hundred eighty-one thousand, four hundred sixty-nine".