6990764145 has 32 divisors (see below), whose sum is σ = 11779706880. Its totient is φ = 3530439360.

The previous prime is 6990764119. The next prime is 6990764153. The reversal of 6990764145 is 5414670996.

It is not a de Polignac number, because 6990764145 - 2⁷ = 6990764017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 733702 + ... + 743168.

It is an arithmetic number, because the mean of its divisors is an integer number (368115840).

Almost surely, 2^6990764145 is an apocalyptic number.

It is an amenable number.

6990764145 is a deficient number, since it is larger than the sum of its proper divisors (4788942735).

6990764145 is a wasteful number, since it uses less digits than its factorization.

6990764145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12085.

The product of its (nonzero) digits is 1632960, while the sum is 51.

The square root of 6990764145 is about 83610.7896446386. The cubic root of 6990764145 is about 1912.0895003454.

The spelling of 6990764145 in words is "six billion, nine hundred ninety million, seven hundred sixty-four thousand, one hundred forty-five".