21801414602 has 32 divisors (see below), whose sum is σ = 36026337600. Its totient is φ = 9812275200.

The previous prime is 21801414571. The next prime is 21801414617. The reversal of 21801414602 is 20641410812.

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, 6547274 + ... + 6550602.

It is an arithmetic number, because the mean of its divisors is an integer number (1125823050).

Almost surely, 2^21801414602 is an apocalyptic number.

21801414602 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

21801414602 is a deficient number, since it is larger than the sum of its proper divisors (14224922998).

21801414602 is a wasteful number, since it uses less digits than its factorization.

21801414602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6182.

The product of its (nonzero) digits is 3072, while the sum is 29.

The spelling of 21801414602 in words is "twenty-one billion, eight hundred one million, four hundred fourteen thousand, six hundred two".