6899124255 has 16 divisors (see below), whose sum is σ = 11063754240. Its totient is φ = 3671147808.

The previous prime is 6899124247. The next prime is 6899124269. The reversal of 6899124255 is 5524219986.

It is not a de Polignac number, because 6899124255 - 2³ = 6899124247 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6899124198 and 6899124207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 517267 + ... + 530436.

It is an arithmetic number, because the mean of its divisors is an integer number (691484640).

Almost surely, 2^6899124255 is an apocalyptic number.

6899124255 is a deficient number, since it is larger than the sum of its proper divisors (4164629985).

6899124255 is a wasteful number, since it uses less digits than its factorization.

6899124255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048150.

The product of its digits is 1555200, while the sum is 51.

The square root of 6899124255 is about 83060.9670964648. The cubic root of 6899124255 is about 1903.6977163192.

The spelling of 6899124255 in words is "six billion, eight hundred ninety-nine million, one hundred twenty-four thousand, two hundred fifty-five".