69363544536389 has 2 divisors, whose sum is σ = 69363544536390. Its totient is φ = 69363544536388.

The previous prime is 69363544536383. The next prime is 69363544536547. The reversal of 69363544536389 is 98363544536396.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66250320724900 + 3113223811489 = 8139430^2 + 1764433^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-69363544536389 is a prime.

It is a super-2 number, since 2×69363544536389² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (69363544536383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34681772268194 + 34681772268195.

It is an arithmetic number, because the mean of its divisors is an integer number (34681772268195).

Almost surely, 2^{69363544536389} is an apocalyptic number.

It is an amenable number.

69363544536389 is a deficient number, since it is larger than the sum of its proper divisors (1).

69363544536389 is an equidigital number, since it uses as much as digits as its factorization.

69363544536389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4534963200, while the sum is 74.

The spelling of 69363544536389 in words is "sixty-nine trillion, three hundred sixty-three billion, five hundred forty-four million, five hundred thirty-six thousand, three hundred eighty-nine".