6858668253 has 16 divisors (see below), whose sum is σ = 9442847232. Its totient is φ = 4423560000.

The previous prime is 6858668249. The next prime is 6858668303. The reversal of 6858668253 is 3528668586.

It is not a de Polignac number, because 6858668253 - 2² = 6858668249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6858668193 and 6858668202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6858668233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345703 + ... + 365003.

It is an arithmetic number, because the mean of its divisors is an integer number (590177952).

Almost surely, 2^6858668253 is an apocalyptic number.

It is an amenable number.

6858668253 is a deficient number, since it is larger than the sum of its proper divisors (2584178979).

6858668253 is a wasteful number, since it uses less digits than its factorization.

6858668253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23156.

The product of its digits is 16588800, while the sum is 57.

The square root of 6858668253 is about 82817.0770614370. The cubic root of 6858668253 is about 1899.9693672808.

The spelling of 6858668253 in words is "six billion, eight hundred fifty-eight million, six hundred sixty-eight thousand, two hundred fifty-three".