2105926992 has 80 divisors (see below), whose sum is σ = 6509791680. Its totient is φ = 647975808.

The previous prime is 2105926981. The next prime is 2105927009. The reversal of 2105926992 is 2996295012.

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, 181878 + ... + 193109.

It is an arithmetic number, because the mean of its divisors is an integer number (81372396).

Almost surely, 2^2105926992 is an apocalyptic number.

It is an amenable number.

2105926992 is an abundant number, since it is smaller than the sum of its proper divisors (4403864688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2105926992 is a wasteful number, since it uses less digits than its factorization.

2105926992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375017 (or 375005 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 2105926992 is about 45890.3801683969. The cubic root of 2105926992 is about 1281.7827924548.

The spelling of 2105926992 in words is "two billion, one hundred five million, nine hundred twenty-six thousand, nine hundred ninety-two".