6651245975 has 18 divisors (see below), whose sum is σ = 9065487480. Its totient is φ = 4837267600.

The previous prime is 6651245969. The next prime is 6651245981. The reversal of 6651245975 is 5795421566.

It is an interprime number because it is at equal distance from previous prime (6651245969) and next prime (6651245981).

It is not a de Polignac number, because 6651245975 - 2²⁴ = 6634468759 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1096355 + ... + 1102404.

Almost surely, 2^6651245975 is an apocalyptic number.

6651245975 is a deficient number, since it is larger than the sum of its proper divisors (2414241505).

6651245975 is a wasteful number, since it uses less digits than its factorization.

6651245975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198791 (or 2198775 counting only the distinct ones).

The product of its digits is 2268000, while the sum is 50.

The square root of 6651245975 is about 81555.1713565731. The cubic root of 6651245975 is about 1880.6197947960.

The spelling of 6651245975 in words is "six billion, six hundred fifty-one million, two hundred forty-five thousand, nine hundred seventy-five".