21460477295 has 16 divisors (see below), whose sum is σ = 27113654880. Its totient is φ = 16261372800.

The previous prime is 21460477279. The next prime is 21460477327. The reversal of 21460477295 is 59277406412.

It is not a de Polignac number, because 21460477295 - 2⁴ = 21460477279 is a prime.

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, 490205 + ... + 532185.

It is an arithmetic number, because the mean of its divisors is an integer number (1694603430).

Almost surely, 2^21460477295 is an apocalyptic number.

21460477295 is a deficient number, since it is larger than the sum of its proper divisors (5653177585).

21460477295 is a wasteful number, since it uses less digits than its factorization.

21460477295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47386.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 21460477295 in words is "twenty-one billion, four hundred sixty million, four hundred seventy-seven thousand, two hundred ninety-five".