696112645 has 4 divisors (see below), whose sum is σ = 835335180. Its totient is φ = 556890112.

The previous prime is 696112609. The next prime is 696112661. The reversal of 696112645 is 546211696.

It is a happy number.

696112645 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 503957601 + 192155044 = 22449^2 + 13862^2 .

It is a cyclic number.

It is not a de Polignac number, because 696112645 - 2⁷ = 696112517 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 696112598 and 696112607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69611260 + ... + 69611269.

It is an arithmetic number, because the mean of its divisors is an integer number (208833795).

Almost surely, 2^696112645 is an apocalyptic number.

It is an amenable number.

696112645 is a deficient number, since it is larger than the sum of its proper divisors (139222535).

696112645 is a wasteful number, since it uses less digits than its factorization.

696112645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139222534.

The product of its digits is 77760, while the sum is 40.

The square root of 696112645 is about 26383.9467290245. The cubic root of 696112645 is about 886.2573316600.

The spelling of 696112645 in words is "six hundred ninety-six million, one hundred twelve thousand, six hundred forty-five".