6988252475 has 12 divisors (see below), whose sum is σ = 9175164984. Its totient is φ = 5261742720.

The previous prime is 6988252429. The next prime is 6988252477. The reversal of 6988252475 is 5742528896.

It is a happy number.

It is not a de Polignac number, because 6988252475 - 2²⁸ = 6719817019 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6988252475.

It is not an unprimeable number, because it can be changed into a prime (6988252477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8221049 + ... + 8221898.

It is an arithmetic number, because the mean of its divisors is an integer number (764597082).

Almost surely, 2^6988252475 is an apocalyptic number.

6988252475 is a deficient number, since it is larger than the sum of its proper divisors (2186912509).

6988252475 is a wasteful number, since it uses less digits than its factorization.

6988252475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16442974 (or 16442969 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 56.

The square root of 6988252475 is about 83595.7682840465. The cubic root of 6988252475 is about 1911.8604785003.

The spelling of 6988252475 in words is "six billion, nine hundred eighty-eight million, two hundred fifty-two thousand, four hundred seventy-five".