21374326702032 has 20 divisors (see below), whose sum is σ = 55217010647040. Its totient is φ = 7124775567328.

The previous prime is 21374326702031. The next prime is 21374326702051. The reversal of 21374326702032 is 23020762347312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21374326702031) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 222649236432 + ... + 222649236527.

It is an arithmetic number, because the mean of its divisors is an integer number (2760850532352).

Almost surely, 2^{21374326702032} is an apocalyptic number.

It is an amenable number.

21374326702032 is an abundant number, since it is smaller than the sum of its proper divisors (33842683945008).

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

21374326702032 is a wasteful number, since it uses less digits than its factorization.

21374326702032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445298472970 (or 445298472964 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 42.

The spelling of 21374326702032 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred twenty-six million, seven hundred two thousand, thirty-two".