2050409642631 has 8 divisors (see below), whose sum is σ = 3124433741184. Its totient is φ = 1171662652920.

The previous prime is 2050409642627. The next prime is 2050409642669. The reversal of 2050409642631 is 1362469040502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2050409642631 - 2² = 2050409642627 is a prime.

It is a super-2 number, since 2×2050409642631² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2050409642231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48819277185 + ... + 48819277226.

It is an arithmetic number, because the mean of its divisors is an integer number (390554217648).

Almost surely, 2^{2050409642631} is an apocalyptic number.

2050409642631 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2050409642631 is a deficient number, since it is larger than the sum of its proper divisors (1074024098553).

2050409642631 is an equidigital number, since it uses as much as digits as its factorization.

2050409642631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97638554421.

The product of its (nonzero) digits is 311040, while the sum is 42.

The spelling of 2050409642631 in words is "two trillion, fifty billion, four hundred nine million, six hundred forty-two thousand, six hundred thirty-one".