634212826902 has 48 divisors (see below), whose sum is σ = 1388669641632. Its totient is φ = 209168248320.

The previous prime is 634212826861. The next prime is 634212826903. The reversal of 634212826902 is 209628212436.

634212826902 is a `hidden beast` number, since 63 + 421 + 2 + 82 + 6 + 90 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634212826903) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6669652 + ... + 6764072.

It is an arithmetic number, because the mean of its divisors is an integer number (28930617534).

Almost surely, 2^634212826902 is an apocalyptic number.

634212826902 is an abundant number, since it is smaller than the sum of its proper divisors (754456814730).

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

634212826902 is a wasteful number, since it uses less digits than its factorization.

634212826902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98373 (or 98370 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 634212826902 in words is "six hundred thirty-four billion, two hundred twelve million, eight hundred twenty-six thousand, nine hundred two".