390200177813 has 2 divisors, whose sum is σ = 390200177814. Its totient is φ = 390200177812.

The previous prime is 390200177791. The next prime is 390200177833. The reversal of 390200177813 is 318771002093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 268662878929 + 121537298884 = 518327^2 + 348622^2 .

It is a cyclic number.

It is not a de Polignac number, because 390200177813 - 2²⁸ = 389931742357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390200177833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195100088906 + 195100088907.

It is an arithmetic number, because the mean of its divisors is an integer number (195100088907).

Almost surely, 2^390200177813 is an apocalyptic number.

It is an amenable number.

390200177813 is a deficient number, since it is larger than the sum of its proper divisors (1).

390200177813 is an equidigital number, since it uses as much as digits as its factorization.

390200177813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 63504, while the sum is 41.

The spelling of 390200177813 in words is "three hundred ninety billion, two hundred million, one hundred seventy-seven thousand, eight hundred thirteen".