695693643 has 8 divisors (see below), whose sum is σ = 927725568. Its totient is φ = 463728744.

The previous prime is 695693597. The next prime is 695693651. The reversal of 695693643 is 346396596.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 695693643 - 2²² = 691499339 is a prime.

It is a super-2 number, since 2×695693643² = 967979289821222898, which contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (695693543) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17430 + ... + 41172.

It is an arithmetic number, because the mean of its divisors is an integer number (115965696).

Almost surely, 2^695693643 is an apocalyptic number.

695693643 is a deficient number, since it is larger than the sum of its proper divisors (232031925).

695693643 is a wasteful number, since it uses less digits than its factorization.

695693643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33513.

The product of its digits is 3149280, while the sum is 51.

The square root of 695693643 is about 26376.0050614190. The cubic root of 695693643 is about 886.0794782009.

The spelling of 695693643 in words is "six hundred ninety-five million, six hundred ninety-three thousand, six hundred forty-three".