21374404263102 has 64 divisors (see below), whose sum is σ = 46692088773120. Its totient is φ = 6469175548800.

The previous prime is 21374404263071. The next prime is 21374404263131. The reversal of 21374404263102 is 20136240447312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 260174952 + ... + 260257092.

It is an arithmetic number, because the mean of its divisors is an integer number (729563887080).

Almost surely, 2^{21374404263102} is an apocalyptic number.

21374404263102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21374404263102 is an abundant number, since it is smaller than the sum of its proper divisors (25317684510018).

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

21374404263102 is a wasteful number, since it uses less digits than its factorization.

21374404263102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86929.

The product of its (nonzero) digits is 193536, while the sum is 39.

The spelling of 21374404263102 in words is "twenty-one trillion, three hundred seventy-four billion, four hundred four million, two hundred sixty-three thousand, one hundred two".