21467273472744 has 64 divisors (see below), whose sum is σ = 58550627520000. Its totient is φ = 6504843491520.

The previous prime is 21467273472713. The next prime is 21467273472793. The reversal of 21467273472744 is 44727437276412.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1973797 + ... + 6843275.

It is an arithmetic number, because the mean of its divisors is an integer number (914853555000).

Almost surely, 2^{21467273472744} is an apocalyptic number.

21467273472744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

21467273472744 is an abundant number, since it is smaller than the sum of its proper divisors (37083354047256).

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

21467273472744 is a wasteful number, since it uses less digits than its factorization.

21467273472744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886198 (or 4886194 counting only the distinct ones).

The product of its digits is 88510464, while the sum is 60.

The spelling of 21467273472744 in words is "twenty-one trillion, four hundred sixty-seven billion, two hundred seventy-three million, four hundred seventy-two thousand, seven hundred forty-four".