2090151265990 has 32 divisors (see below), whose sum is σ = 4023023855904. Its totient is φ = 779089574400.

The previous prime is 2090151265921. The next prime is 2090151266003. The reversal of 2090151265990 is 995621510902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60849204 + ... + 60883543.

It is an arithmetic number, because the mean of its divisors is an integer number (125719495497).

Almost surely, 2^{2090151265990} is an apocalyptic number.

2090151265990 is a deficient number, since it is larger than the sum of its proper divisors (1932872589914).

2090151265990 is a wasteful number, since it uses less digits than its factorization.

2090151265990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121732872.

The product of its (nonzero) digits is 437400, while the sum is 49.

The spelling of 2090151265990 in words is "two trillion, ninety billion, one hundred fifty-one million, two hundred sixty-five thousand, nine hundred ninety".