21714514635 has 32 divisors (see below), whose sum is σ = 37971912960. Its totient is φ = 10508745600.

The previous prime is 21714514631. The next prime is 21714514649. The reversal of 21714514635 is 53641541712.

It is not a de Polignac number, because 21714514635 - 2² = 21714514631 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 21714514593 and 21714514602.

It is not an unprimeable number, because it can be changed into a prime (21714514631) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32365 + ... + 210894.

It is an arithmetic number, because the mean of its divisors is an integer number (1186622280).

Almost surely, 2^21714514635 is an apocalyptic number.

21714514635 is a deficient number, since it is larger than the sum of its proper divisors (16257398325).

21714514635 is a wasteful number, since it uses less digits than its factorization.

21714514635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243819.

The product of its digits is 100800, while the sum is 39.

The spelling of 21714514635 in words is "twenty-one billion, seven hundred fourteen million, five hundred fourteen thousand, six hundred thirty-five".