900396709634 has 16 divisors (see below), whose sum is σ = 1359430975800. Its totient is φ = 447256993920.

The previous prime is 900396709631. The next prime is 900396709649. The reversal of 900396709634 is 436907693009.

900396709634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 811683874225 + 88712835409 = 900935^2 + 297847^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 900396709634.

It is not an unprimeable number, because it can be changed into a prime (900396709631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 527909 + ... + 1442040.

Almost surely, 2^900396709634 is an apocalyptic number.

900396709634 is a deficient number, since it is larger than the sum of its proper divisors (459034266166).

900396709634 is a wasteful number, since it uses less digits than its factorization.

900396709634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971445.

The product of its (nonzero) digits is 6613488, while the sum is 56.

The spelling of 900396709634 in words is "nine hundred billion, three hundred ninety-six million, seven hundred nine thousand, six hundred thirty-four".