90909100010 has 16 divisors (see below), whose sum is σ = 163770201216. Its totient is φ = 36333901968.

The previous prime is 90909099973. The next prime is 90909100039. The reversal of 90909100010 is 1000190909.

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, 3704414 + ... + 3728873.

It is an arithmetic number, because the mean of its divisors is an integer number (10235637576).

Almost surely, 2^90909100010 is an apocalyptic number.

90909100010 is a deficient number, since it is larger than the sum of its proper divisors (72861101206).

90909100010 is a wasteful number, since it uses less digits than its factorization.

90909100010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7434517.

The product of its (nonzero) digits is 729, while the sum is 29.

Adding to 90909100010 its reverse (1000190909), we get a palindrome (91909290919).

The spelling of 90909100010 in words is "ninety billion, nine hundred nine million, one hundred thousand, ten".