695404936431 has 12 divisors (see below), whose sum is σ = 1004484011752. Its totient is φ = 463598576496.

The previous prime is 695404936423. The next prime is 695404936439. The reversal of 695404936431 is 134639404596.

It is a happy number.

695404936431 is a `hidden beast` number, since 6 + 9 + 540 + 4 + 9 + 3 + 64 + 31 = 666.

It is an interprime number because it is at equal distance from previous prime (695404936423) and next prime (695404936439).

It is not a de Polignac number, because 695404936431 - 2³ = 695404936423 is a prime.

It is a super-2 number, since 2×695404936431² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695404936439) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 701880 + ... + 1372386.

Almost surely, 2^695404936431 is an apocalyptic number.

695404936431 is a deficient number, since it is larger than the sum of its proper divisors (309079075321).

695404936431 is a wasteful number, since it uses less digits than its factorization.

695404936431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785750 (or 785747 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 54.

The spelling of 695404936431 in words is "six hundred ninety-five billion, four hundred four million, nine hundred thirty-six thousand, four hundred thirty-one".