695664069031 has 2 divisors, whose sum is σ = 695664069032. Its totient is φ = 695664069030.

The previous prime is 695664068993. The next prime is 695664069041. The reversal of 695664069031 is 130960466596.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-695664069031 is a prime.

It is a super-2 number, since 2×695664069031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (695664069041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 347832034515 + 347832034516.

It is an arithmetic number, because the mean of its divisors is an integer number (347832034516).

Almost surely, 2^695664069031 is an apocalyptic number.

695664069031 is a deficient number, since it is larger than the sum of its proper divisors (1).

695664069031 is an equidigital number, since it uses as much as digits as its factorization.

695664069031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6298560, while the sum is 55.

The spelling of 695664069031 in words is "six hundred ninety-five billion, six hundred sixty-four million, sixty-nine thousand, thirty-one".