21419314376 has 32 divisors (see below), whose sum is σ = 40389710400. Its totient is φ = 10648883520.

The previous prime is 21419314369. The next prime is 21419314379. The reversal of 21419314376 is 67341391412.

It is not an unprimeable number, because it can be changed into a prime (21419314379) 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, 1115981 + ... + 1135011.

It is an arithmetic number, because the mean of its divisors is an integer number (1262178450).

Almost surely, 2^21419314376 is an apocalyptic number.

It is an amenable number.

21419314376 is a deficient number, since it is larger than the sum of its proper divisors (18970396024).

21419314376 is a wasteful number, since it uses less digits than its factorization.

21419314376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19829 (or 19825 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The spelling of 21419314376 in words is "twenty-one billion, four hundred nineteen million, three hundred fourteen thousand, three hundred seventy-six".