21460477294 has 16 divisors (see below), whose sum is σ = 32350978800. Its totient is φ = 10676918464.

The previous prime is 21460477279. The next prime is 21460477327. The reversal of 21460477294 is 49277406412.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410589 + ... + 459895.

It is an arithmetic number, because the mean of its divisors is an integer number (2021936175).

Almost surely, 2^21460477294 is an apocalyptic number.

21460477294 is a deficient number, since it is larger than the sum of its proper divisors (10890501506).

21460477294 is a wasteful number, since it uses less digits than its factorization.

21460477294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50387.

The product of its (nonzero) digits is 677376, while the sum is 46.

The spelling of 21460477294 in words is "twenty-one billion, four hundred sixty million, four hundred seventy-seven thousand, two hundred ninety-four".