213420469928 has 64 divisors (see below), whose sum is σ = 435582144000. Its totient is φ = 97659648000.

The previous prime is 213420469807. The next prime is 213420469973. The reversal of 213420469928 is 829964024312.

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, 2641328 + ... + 2720928.

It is an arithmetic number, because the mean of its divisors is an integer number (6805971000).

Almost surely, 2^213420469928 is an apocalyptic number.

It is an amenable number.

213420469928 is an abundant number, since it is smaller than the sum of its proper divisors (222161674072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213420469928 is a wasteful number, since it uses less digits than its factorization.

213420469928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80226 (or 80222 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 50.

The spelling of 213420469928 in words is "two hundred thirteen billion, four hundred twenty million, four hundred sixty-nine thousand, nine hundred twenty-eight".