206980990744 has 32 divisors (see below), whose sum is σ = 423426459600. Its totient is φ = 94069768320.

The previous prime is 206980990717. The next prime is 206980990763. The reversal of 206980990744 is 447099089602.

206980990744 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×206980990744² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

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, 526702 + ... + 831490.

Almost surely, 2^206980990744 is an apocalyptic number.

It is an amenable number.

206980990744 is an abundant number, since it is smaller than the sum of its proper divisors (216445468856).

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

206980990744 is a wasteful number, since it uses less digits than its factorization.

206980990744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312523 (or 312519 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 58.

The spelling of 206980990744 in words is "two hundred six billion, nine hundred eighty million, nine hundred ninety thousand, seven hundred forty-four".