909190910010 has 64 divisors (see below), whose sum is σ = 2262177953280. Its totient is φ = 233584834560.

The previous prime is 909190910003. The next prime is 909190910011. The reversal of 909190910010 is 10019091909.

It is a super-2 number, since 2×909190910010² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (909190910011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 725751 + ... + 1531370.

It is an arithmetic number, because the mean of its divisors is an integer number (35346530520).

Almost surely, 2^909190910010 is an apocalyptic number.

909190910010 is an abundant number, since it is smaller than the sum of its proper divisors (1352987043270).

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

909190910010 is a wasteful number, since it uses less digits than its factorization.

909190910010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257623.

The product of its (nonzero) digits is 6561, while the sum is 39.

The spelling of 909190910010 in words is "nine hundred nine billion, one hundred ninety million, nine hundred ten thousand, ten".