6857506624653 has 12 divisors (see below), whose sum is σ = 10272149841408. Its totient is φ = 4571671082940.

The previous prime is 6857506624651. The next prime is 6857506624663. The reversal of 6857506624653 is 3564266057586.

6857506624653 is a `hidden beast` number, since 6 + 8 + 5 + 7 + 506 + 62 + 4 + 65 + 3 = 666.

It is not a de Polignac number, because 6857506624653 - 2¹ = 6857506624651 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6857506624651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14110095693 + ... + 14110096178.

It is an arithmetic number, because the mean of its divisors is an integer number (856012486784).

Almost surely, 2^{6857506624653} is an apocalyptic number.

It is an amenable number.

6857506624653 is a deficient number, since it is larger than the sum of its proper divisors (3414643216755).

6857506624653 is an equidigital number, since it uses as much as digits as its factorization.

6857506624653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28220191886 (or 28220191874 counting only the distinct ones).

The product of its (nonzero) digits is 217728000, while the sum is 63.

The spelling of 6857506624653 in words is "six trillion, eight hundred fifty-seven billion, five hundred six million, six hundred twenty-four thousand, six hundred fifty-three".