206949572004 has 96 divisors (see below), whose sum is σ = 554577843456. Its totient is φ = 58838169600.

The previous prime is 206949571999. The next prime is 206949572009. The reversal of 206949572004 is 400275949602.

It is an interprime number because it is at equal distance from previous prime (206949571999) and next prime (206949572009).

It is not an unprimeable number, because it can be changed into a prime (206949572009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55915354 + ... + 55919054.

It is an arithmetic number, because the mean of its divisors is an integer number (5776852536).

Almost surely, 2^206949572004 is an apocalyptic number.

It is an amenable number.

206949572004 is an abundant number, since it is smaller than the sum of its proper divisors (347628271452).

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

206949572004 is a wasteful number, since it uses less digits than its factorization.

206949572004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6805 (or 6803 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 48.

The spelling of 206949572004 in words is "two hundred six billion, nine hundred forty-nine million, five hundred seventy-two thousand, four".