21468886412 has 48 divisors (see below), whose sum is σ = 40718764800. Its totient is φ = 9873864000.

The previous prime is 21468886409. The next prime is 21468886463.

21468886412 is nontrivially palindromic in base 10.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 653639 + ... + 685697.

It is an arithmetic number, because the mean of its divisors is an integer number (848307600).

Almost surely, 2^21468886412 is an apocalyptic number.

It is an amenable number.

21468886412 is a deficient number, since it is larger than the sum of its proper divisors (19249878388).

21468886412 is a wasteful number, since it uses less digits than its factorization.

21468886412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32366 (or 32364 counting only the distinct ones).

The product of its digits is 1179648, while the sum is 50.

The spelling of 21468886412 in words is "twenty-one billion, four hundred sixty-eight million, eight hundred eighty-six thousand, four hundred twelve".