13202901857 has 2 divisors, whose sum is σ = 13202901858. Its totient is φ = 13202901856.

The previous prime is 13202901809. The next prime is 13202901869. The reversal of 13202901857 is 75810920231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10775270416 + 2427631441 = 103804^2 + 49271^2 .

It is a cyclic number.

It is not a de Polignac number, because 13202901857 - 2¹² = 13202897761 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13202901857.

It is not a weakly prime, because it can be changed into another prime (13202961857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6601450928 + 6601450929.

It is an arithmetic number, because the mean of its divisors is an integer number (6601450929).

Almost surely, 2^13202901857 is an apocalyptic number.

It is an amenable number.

13202901857 is a deficient number, since it is larger than the sum of its proper divisors (1).

13202901857 is an equidigital number, since it uses as much as digits as its factorization.

13202901857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 13202901857 in words is "thirteen billion, two hundred two million, nine hundred one thousand, eight hundred fifty-seven".