695138634 has 12 divisors (see below), whose sum is σ = 1506133746. Its totient is φ = 231712872.

The previous prime is 695138627. The next prime is 695138701. The reversal of 695138634 is 436831596.

695138634 is a `hidden beast` number, since 6 + 9 + 5 + 1 + 3 + 8 + 634 = 666.

It can be written as a sum of positive squares in only one way, i.e., 597069225 + 98069409 = 24435^2 + 9903^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 695138634.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 19309389 + ... + 19309424.

Almost surely, 2^695138634 is an apocalyptic number.

695138634 is an abundant number, since it is smaller than the sum of its proper divisors (810995112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

695138634 is a wasteful number, since it uses less digits than its factorization.

695138634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38618821 (or 38618818 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 695138634 is about 26365.4818654998. The cubic root of 695138634 is about 885.8437839766.

The spelling of 695138634 in words is "six hundred ninety-five million, one hundred thirty-eight thousand, six hundred thirty-four".