6999499960 has 16 divisors (see below), whose sum is σ = 15748875000. Its totient is φ = 2799799968.

The previous prime is 6999499933. The next prime is 6999499979. The reversal of 6999499960 is 699949996.

It is a self number, because there is not a number n which added to its sum of digits gives 6999499960.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87493710 + ... + 87493789.

Almost surely, 2^6999499960 is an apocalyptic number.

It is an amenable number.

6999499960 is an abundant number, since it is smaller than the sum of its proper divisors (8749375040).

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

6999499960 is a wasteful number, since it uses less digits than its factorization.

6999499960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174987510 (or 174987506 counting only the distinct ones).

The product of its (nonzero) digits is 76527504, while the sum is 70.

The square root of 6999499960 is about 83663.0142894696. The cubic root of 6999499960 is about 1912.8856320635.

The spelling of 6999499960 in words is "six billion, nine hundred ninety-nine million, four hundred ninety-nine thousand, nine hundred sixty".