21476642614372 has 12 divisors (see below), whose sum is σ = 41000863172976. Its totient is φ = 9762110279240.

The previous prime is 21476642614367. The next prime is 21476642614417. The reversal of 21476642614372 is 27341624667412.

It is a super-2 number, since 2×21476642614372² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 244052756938 + ... + 244052757025.

It is an arithmetic number, because the mean of its divisors is an integer number (3416738597748).

Almost surely, 2^{21476642614372} is an apocalyptic number.

21476642614372 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21476642614372 is a deficient number, since it is larger than the sum of its proper divisors (19524220558604).

21476642614372 is a wasteful number, since it uses less digits than its factorization.

21476642614372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 488105513978 (or 488105513976 counting only the distinct ones).

The product of its digits is 16257024, while the sum is 55.

The spelling of 21476642614372 in words is "twenty-one trillion, four hundred seventy-six billion, six hundred forty-two million, six hundred fourteen thousand, three hundred seventy-two".