21379425179883 has 16 divisors (see below), whose sum is σ = 30285858600480. Its totient is φ = 13389537482496.

The previous prime is 21379425179843. The next prime is 21379425179911. The reversal of 21379425179883 is 38897152497312.

It is not a de Polignac number, because 21379425179883 - 2⁸ = 21379425179627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21379425179843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3320814610 + ... + 3320821047.

It is an arithmetic number, because the mean of its divisors is an integer number (1892866162530).

Almost surely, 2^{21379425179883} is an apocalyptic number.

21379425179883 is a deficient number, since it is larger than the sum of its proper divisors (8906433420597).

21379425179883 is a wasteful number, since it uses less digits than its factorization.

21379425179883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6641635726.

The product of its digits is 182891520, while the sum is 69.

The spelling of 21379425179883 in words is "twenty-one trillion, three hundred seventy-nine billion, four hundred twenty-five million, one hundred seventy-nine thousand, eight hundred eighty-three".