21470586045495 has 32 divisors (see below), whose sum is σ = 36374758760448. Its totient is φ = 10777078123008.

The previous prime is 21470586045487. The next prime is 21470586045499. The reversal of 21470586045495 is 59454068507412.

It is not a de Polignac number, because 21470586045495 - 2³ = 21470586045487 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21470586045499) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7666282 + ... + 10085288.

It is an arithmetic number, because the mean of its divisors is an integer number (1136711211264).

Almost surely, 2^{21470586045495} is an apocalyptic number.

21470586045495 is a deficient number, since it is larger than the sum of its proper divisors (14904172714953).

21470586045495 is a wasteful number, since it uses less digits than its factorization.

21470586045495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2453839.

The product of its (nonzero) digits is 48384000, while the sum is 60.

The spelling of 21470586045495 in words is "twenty-one trillion, four hundred seventy billion, five hundred eighty-six million, forty-five thousand, four hundred ninety-five".