209700482664 has 32 divisors (see below), whose sum is σ = 524272720320. Its totient is φ = 69897292416.

The previous prime is 209700482639. The next prime is 209700482737. The reversal of 209700482664 is 466284007902.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 464997 + ... + 797259.

It is an arithmetic number, because the mean of its divisors is an integer number (16383522510).

Almost surely, 2^209700482664 is an apocalyptic number.

209700482664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

209700482664 is an abundant number, since it is smaller than the sum of its proper divisors (314572237656).

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

209700482664 is a wasteful number, since it uses less digits than its factorization.

209700482664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 358569 (or 358565 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 48.

The spelling of 209700482664 in words is "two hundred nine billion, seven hundred million, four hundred eighty-two thousand, six hundred sixty-four".