21470667012354 has 16 divisors (see below), whose sum is σ = 49075810314048. Its totient is φ = 6134476289232.

The previous prime is 21470667012181. The next prime is 21470667012367. The reversal of 21470667012354 is 45321076607412.

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, 255603178677 + ... + 255603178760.

It is an arithmetic number, because the mean of its divisors is an integer number (3067238144628).

Almost surely, 2^{21470667012354} is an apocalyptic number.

21470667012354 is an abundant number, since it is smaller than the sum of its proper divisors (27605143301694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

21470667012354 is a wasteful number, since it uses less digits than its factorization.

21470667012354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511206357449.

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 21470667012354 in words is "twenty-one trillion, four hundred seventy billion, six hundred sixty-seven million, twelve thousand, three hundred fifty-four".