900910901901 has 16 divisors (see below), whose sum is σ = 1242660744000. Its totient is φ = 579884997888.

The previous prime is 900910901897. The next prime is 900910901941. The reversal of 900910901901 is 109109019009.

900910901901 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 900910901901 - 2² = 900910901897 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 900910901901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900910901941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7040050 + ... + 7166876.

It is an arithmetic number, because the mean of its divisors is an integer number (77666296500).

Almost surely, 2^900910901901 is an apocalyptic number.

It is an amenable number.

900910901901 is a deficient number, since it is larger than the sum of its proper divisors (341749842099).

900910901901 is a wasteful number, since it uses less digits than its factorization.

900910901901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208508.

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

The spelling of 900910901901 in words is "nine hundred billion, nine hundred ten million, nine hundred one thousand, nine hundred one".