813901010 has 64 divisors (see below), whose sum is σ = 1678192992. Its totient is φ = 281542656.

The previous prime is 813900961. The next prime is 813901051. The reversal of 813901010 is 10109318.

It can be written as a sum of positive squares in 16 ways, for example, as 405982201 + 407918809 = 20149^2 + 20197^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 567254 + ... + 568686.

Almost surely, 2^813901010 is an apocalyptic number.

813901010 is an abundant number, since it is smaller than the sum of its proper divisors (864291982).

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

813901010 is a wasteful number, since it uses less digits than its factorization.

813901010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727.

The product of its (nonzero) digits is 216, while the sum is 23.

The square root of 813901010 is about 28528.9503837768. The cubic root of 813901010 is about 933.6638181969.

The spelling of 813901010 in words is "eight hundred thirteen million, nine hundred one thousand, ten".