6996753990 has 72 divisors (see below), whose sum is σ = 19199492208. Its totient is φ = 1767592800.

The previous prime is 6996753947. The next prime is 6996754007. The reversal of 6996753990 is 993576996.

6996753990 is a `hidden beast` number, since 6 + 9 + 9 + 6 + 7 + 539 + 90 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 75186 + ... + 140165.

It is an arithmetic number, because the mean of its divisors is an integer number (266659614).

Almost surely, 2^6996753990 is an apocalyptic number.

6996753990 is an abundant number, since it is smaller than the sum of its proper divisors (12202738218).

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

6996753990 is a wasteful number, since it uses less digits than its factorization.

6996753990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215402 (or 215380 counting only the distinct ones).

The product of its (nonzero) digits is 24800580, while the sum is 63.

The square root of 6996753990 is about 83646.6017839338. The cubic root of 6996753990 is about 1912.6354516394.

The spelling of 6996753990 in words is "six billion, nine hundred ninety-six million, seven hundred fifty-three thousand, nine hundred ninety".