13022825857 has 4 divisors (see below), whose sum is σ = 13032257236. Its totient is φ = 13013394480.

The previous prime is 13022825833. The next prime is 13022825873. The reversal of 13022825857 is 75852822031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10558795536 + 2464030321 = 102756^2 + 49639^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13022825857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13022825887) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4713618 + ... + 4716379.

It is an arithmetic number, because the mean of its divisors is an integer number (3258064309).

Almost surely, 2^13022825857 is an apocalyptic number.

It is an amenable number.

13022825857 is a deficient number, since it is larger than the sum of its proper divisors (9431379).

13022825857 is an equidigital number, since it uses as much as digits as its factorization.

13022825857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9431378.

The product of its (nonzero) digits is 268800, while the sum is 43.

The spelling of 13022825857 in words is "thirteen billion, twenty-two million, eight hundred twenty-five thousand, eight hundred fifty-seven".