699543354625 has 8 divisors (see below), whose sum is σ = 873030106728. Its totient is φ = 559634683600.

The previous prime is 699543354611. The next prime is 699543354641. The reversal of 699543354625 is 526453345996.

It can be written as a sum of positive squares in 4 ways, for example, as 97663750144 + 601879604481 = 312512^2 + 775809^2 .

It is not a de Polignac number, because 699543354625 - 2⁹ = 699543354113 is a prime.

It is a hoax number, since the sum of its digits (61) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2798173294 + ... + 2798173543.

It is an arithmetic number, because the mean of its divisors is an integer number (109128763341).

Almost surely, 2^699543354625 is an apocalyptic number.

It is an amenable number.

699543354625 is a deficient number, since it is larger than the sum of its proper divisors (173486752103).

699543354625 is an equidigital number, since it uses as much as digits as its factorization.

699543354625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5596346852 (or 5596346842 counting only the distinct ones).

The product of its digits is 104976000, while the sum is 61.

The spelling of 699543354625 in words is "six hundred ninety-nine billion, five hundred forty-three million, three hundred fifty-four thousand, six hundred twenty-five".