2105764454676 has 48 divisors (see below), whose sum is σ = 4927752910080. Its totient is φ = 699880191360.

The previous prime is 2105764454663. The next prime is 2105764454681. The reversal of 2105764454676 is 6764544675012.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8719830 + ... + 8958066.

It is an arithmetic number, because the mean of its divisors is an integer number (102661518960).

Almost surely, 2^{2105764454676} is an apocalyptic number.

It is an amenable number.

2105764454676 is an abundant number, since it is smaller than the sum of its proper divisors (2821988455404).

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

2105764454676 is a wasteful number, since it uses less digits than its factorization.

2105764454676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240384 (or 240382 counting only the distinct ones).

The product of its (nonzero) digits is 33868800, while the sum is 57.

The spelling of 2105764454676 in words is "two trillion, one hundred five billion, seven hundred sixty-four million, four hundred fifty-four thousand, six hundred seventy-six".