21914401996 has 24 divisors (see below), whose sum is σ = 38430642096. Its totient is φ = 10934246400.

The previous prime is 21914401991. The next prime is 21914402011. The reversal of 21914401996 is 69910441912.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (21914401991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4546980 + ... + 4551796.

It is an arithmetic number, because the mean of its divisors is an integer number (1601276754).

Almost surely, 2^21914401996 is an apocalyptic number.

It is an amenable number.

21914401996 is a deficient number, since it is larger than the sum of its proper divisors (16516240100).

21914401996 is a wasteful number, since it uses less digits than its factorization.

21914401996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6969 (or 6967 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 46.

The spelling of 21914401996 in words is "twenty-one billion, nine hundred fourteen million, four hundred one thousand, nine hundred ninety-six".