6698861025 has 24 divisors (see below), whose sum is σ = 11107411104. Its totient is φ = 3562416000.

The previous prime is 6698861017. The next prime is 6698861053. The reversal of 6698861025 is 5201688966.

It is not a de Polignac number, because 6698861025 - 2³ = 6698861017 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102676 + ... + 154725.

It is an arithmetic number, because the mean of its divisors is an integer number (462808796).

Almost surely, 2^6698861025 is an apocalyptic number.

It is an amenable number.

6698861025 is a deficient number, since it is larger than the sum of its proper divisors (4408550079).

6698861025 is a wasteful number, since it uses less digits than its factorization.

6698861025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257761 (or 257756 counting only the distinct ones).

The product of its (nonzero) digits is 1244160, while the sum is 51.

The square root of 6698861025 is about 81846.5700258722. The cubic root of 6698861025 is about 1885.0967991061.

The spelling of 6698861025 in words is "six billion, six hundred ninety-eight million, eight hundred sixty-one thousand, twenty-five".