21415141612 has 6 divisors (see below), whose sum is σ = 37476497828. Its totient is φ = 10707570804.

The previous prime is 21415141591. The next prime is 21415141663. The reversal of 21415141612 is 21614151412.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 2676892698 + ... + 2676892705.

Almost surely, 2^21415141612 is an apocalyptic number.

It is an amenable number.

21415141612 is a deficient number, since it is larger than the sum of its proper divisors (16061356216).

21415141612 is a wasteful number, since it uses less digits than its factorization.

21415141612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5353785407 (or 5353785405 counting only the distinct ones).

The product of its digits is 1920, while the sum is 28.

The spelling of 21415141612 in words is "twenty-one billion, four hundred fifteen million, one hundred forty-one thousand, six hundred twelve".