21562893014 has 96 divisors (see below), whose sum is σ = 38646447840. Its totient is φ = 8941570560.

The previous prime is 21562893013. The next prime is 21562893019. The reversal of 21562893014 is 41039826512.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21562893013) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25160474 + ... + 25161330.

It is an arithmetic number, because the mean of its divisors is an integer number (402567165).

Almost surely, 2^21562893014 is an apocalyptic number.

21562893014 is a deficient number, since it is larger than the sum of its proper divisors (17083554826).

21562893014 is a wasteful number, since it uses less digits than its factorization.

21562893014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1006 (or 975 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The spelling of 21562893014 in words is "twenty-one billion, five hundred sixty-two million, eight hundred ninety-three thousand, fourteen".