21374332310499 has 32 divisors (see below), whose sum is σ = 33365437501440. Its totient is φ = 11916409774752.

The previous prime is 21374332310483. The next prime is 21374332310549. The reversal of 21374332310499 is 99401323347312.

It is not a de Polignac number, because 21374332310499 - 2⁴ = 21374332310483 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21374332310399) 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 31 ways as a sum of consecutive naturals, for example, 12541969 + ... + 14143890.

It is an arithmetic number, because the mean of its divisors is an integer number (1042669921920).

Almost surely, 2^{21374332310499} is an apocalyptic number.

21374332310499 is a deficient number, since it is larger than the sum of its proper divisors (11991105190941).

21374332310499 is a wasteful number, since it uses less digits than its factorization.

21374332310499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26686799.

The product of its (nonzero) digits is 2939328, while the sum is 51.

The spelling of 21374332310499 in words is "twenty-one trillion, three hundred seventy-four billion, three hundred thirty-two million, three hundred ten thousand, four hundred ninety-nine".