21314245532 has 24 divisors (see below), whose sum is σ = 37556882160. Its totient is φ = 10583942400.

The previous prime is 21314245523. The next prime is 21314245549. The reversal of 21314245532 is 23554241312.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338303 + ... + 396329.

It is an arithmetic number, because the mean of its divisors is an integer number (1564870090).

Almost surely, 2^21314245532 is an apocalyptic number.

It is an amenable number.

21314245532 is a deficient number, since it is larger than the sum of its proper divisors (16242636628).

21314245532 is a wasteful number, since it uses less digits than its factorization.

21314245532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58661 (or 58659 counting only the distinct ones).

The product of its digits is 28800, while the sum is 32.

Adding to 21314245532 its reverse (23554241312), we get a palindrome (44868486844).

The spelling of 21314245532 in words is "twenty-one billion, three hundred fourteen million, two hundred forty-five thousand, five hundred thirty-two".