6403492992105 has 128 divisors (see below), whose sum is σ = 13065632294400. Its totient is φ = 2947133030400.

The previous prime is 6403492992079. The next prime is 6403492992119. The reversal of 6403492992105 is 5012992943046.

6403492992105 is a `hidden beast` number, since 6 + 4 + 0 + 349 + 299 + 2 + 1 + 0 + 5 = 666.

It is not a de Polignac number, because 6403492992105 - 2²⁰ = 6403491943529 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 831481 + ... + 3674009.

It is an arithmetic number, because the mean of its divisors is an integer number (102075252300).

Almost surely, 2^{6403492992105} is an apocalyptic number.

It is an amenable number.

6403492992105 is an abundant number, since it is smaller than the sum of its proper divisors (6662139302295).

6403492992105 is a wasteful number, since it uses less digits than its factorization.

6403492992105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2842632 (or 2842626 counting only the distinct ones).

The product of its (nonzero) digits is 4199040, while the sum is 54.

The spelling of 6403492992105 in words is "six trillion, four hundred three billion, four hundred ninety-two million, nine hundred ninety-two thousand, one hundred five".