69627996731 has 2 divisors, whose sum is σ = 69627996732. Its totient is φ = 69627996730.

The previous prime is 69627996727. The next prime is 69627996793. The reversal of 69627996731 is 13769972696.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 69627996731 - 2² = 69627996727 is a prime.

It is a super-2 number, since 2×69627996731² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (69627996131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34813998365 + 34813998366.

It is an arithmetic number, because the mean of its divisors is an integer number (34813998366).

Almost surely, 2^69627996731 is an apocalyptic number.

69627996731 is a deficient number, since it is larger than the sum of its proper divisors (1).

69627996731 is an equidigital number, since it uses as much as digits as its factorization.

69627996731 is an evil number, because the sum of its binary digits is even.

The product of its digits is 46294416, while the sum is 65.

The spelling of 69627996731 in words is "sixty-nine billion, six hundred twenty-seven million, nine hundred ninety-six thousand, seven hundred thirty-one".