4206239991564 has 48 divisors (see below), whose sum is σ = 10576871746560. Its totient is φ = 1293328226880.

The previous prime is 4206239991511. The next prime is 4206239991607. The reversal of 4206239991564 is 4651999326024.

It is a junction number, because it is equal to n+sod(n) for n = 4206239991498 and 4206239991507.

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, 9144202 + ... + 9593169.

It is an arithmetic number, because the mean of its divisors is an integer number (220351494720).

Almost surely, 2^{4206239991564} is an apocalyptic number.

It is an amenable number.

4206239991564 is an abundant number, since it is smaller than the sum of its proper divisors (6370631754996).

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

4206239991564 is a wasteful number, since it uses less digits than its factorization.

4206239991564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18738830 (or 18738828 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 4206239991564 in words is "four trillion, two hundred six billion, two hundred thirty-nine million, nine hundred ninety-one thousand, five hundred sixty-four".