21462518470 has 16 divisors (see below), whose sum is σ = 38634246000. Its totient is φ = 8584626784.

The previous prime is 21462518459. The next prime is 21462518533. The reversal of 21462518470 is 7481526412.

It is a super-2 number, since 2×21462518470² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338289 + ... + 396691.

It is an arithmetic number, because the mean of its divisors is an integer number (2414640375).

Almost surely, 2^21462518470 is an apocalyptic number.

21462518470 is a deficient number, since it is larger than the sum of its proper divisors (17171727530).

21462518470 is a wasteful number, since it uses less digits than its factorization.

21462518470 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95159.

The product of its (nonzero) digits is 107520, while the sum is 40.

The spelling of 21462518470 in words is "twenty-one billion, four hundred sixty-two million, five hundred eighteen thousand, four hundred seventy".