6698977732 has 6 divisors (see below), whose sum is σ = 11723211038. Its totient is φ = 3349488864.

The previous prime is 6698977679. The next prime is 6698977751. The reversal of 6698977732 is 2377798966.

It can be written as a sum of positive squares in only one way, i.e., 5845519936 + 853457796 = 76456^2 + 29214^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 837372213 + ... + 837372220.

Almost surely, 2^6698977732 is an apocalyptic number.

It is an amenable number.

6698977732 is a deficient number, since it is larger than the sum of its proper divisors (5024233306).

6698977732 is a wasteful number, since it uses less digits than its factorization.

6698977732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1674744437 (or 1674744435 counting only the distinct ones).

The product of its digits is 48009024, while the sum is 64.

The square root of 6698977732 is about 81847.2829848371. The cubic root of 6698977732 is about 1885.1077463758.

The spelling of 6698977732 in words is "six billion, six hundred ninety-eight million, nine hundred seventy-seven thousand, seven hundred thirty-two".