90950421910 has 32 divisors (see below), whose sum is σ = 170862955200. Its totient is φ = 34791427968.

The previous prime is 90950421869. The next prime is 90950421929. The reversal of 90950421910 is 1912405909.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1189516 + ... + 1263664.

It is an arithmetic number, because the mean of its divisors is an integer number (5339467350).

Almost surely, 2^90950421910 is an apocalyptic number.

90950421910 is a deficient number, since it is larger than the sum of its proper divisors (79912533290).

90950421910 is a wasteful number, since it uses less digits than its factorization.

90950421910 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79512.

The product of its (nonzero) digits is 29160, while the sum is 40.

The spelling of 90950421910 in words is "ninety billion, nine hundred fifty million, four hundred twenty-one thousand, nine hundred ten".