21314134625 has 64 divisors (see below), whose sum is σ = 32426334720. Its totient is φ = 13653964800.

The previous prime is 21314134619. The next prime is 21314134637. The reversal of 21314134625 is 52643141312.

It is not a de Polignac number, because 21314134625 - 2⁶ = 21314134561 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21314134591 and 21314134600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2032646 + ... + 2043104.

It is an arithmetic number, because the mean of its divisors is an integer number (506661480).

Almost surely, 2^21314134625 is an apocalyptic number.

21314134625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

21314134625 is a deficient number, since it is larger than the sum of its proper divisors (11112200095).

21314134625 is a wasteful number, since it uses less digits than its factorization.

21314134625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10635 (or 10625 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

Adding to 21314134625 its reverse (52643141312), we get a palindrome (73957275937).

The spelling of 21314134625 in words is "twenty-one billion, three hundred fourteen million, one hundred thirty-four thousand, six hundred twenty-five".