186925713265813 has 2 divisors, whose sum is σ = 186925713265814. Its totient is φ = 186925713265812.

The previous prime is 186925713265807. The next prime is 186925713265849. The reversal of 186925713265813 is 318562317529681.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128366135494884 + 58559577770929 = 11329878^2 + 7652423^2 .

It is a cyclic number.

It is not a de Polignac number, because 186925713265813 - 2³³ = 186917123331221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (186925713295813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 93462856632906 + 93462856632907.

It is an arithmetic number, because the mean of its divisors is an integer number (93462856632907).

Almost surely, 2^{186925713265813} is an apocalyptic number.

It is an amenable number.

186925713265813 is a deficient number, since it is larger than the sum of its proper divisors (1).

186925713265813 is an equidigital number, since it uses as much as digits as its factorization.

186925713265813 is an evil number, because the sum of its binary digits is even.

The product of its digits is 130636800, while the sum is 67.

The spelling of 186925713265813 in words is "one hundred eighty-six trillion, nine hundred twenty-five billion, seven hundred thirteen million, two hundred sixty-five thousand, eight hundred thirteen".