390354839101 has 2 divisors, whose sum is σ = 390354839102. Its totient is φ = 390354839100.

The previous prime is 390354839041. The next prime is 390354839107. The reversal of 390354839101 is 101938453093.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 390281325625 + 73513476 = 624725^2 + 8574^2 .

It is a cyclic number.

It is not a de Polignac number, because 390354839101 - 2²⁵ = 390321284669 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390354839107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195177419550 + 195177419551.

It is an arithmetic number, because the mean of its divisors is an integer number (195177419551).

Almost surely, 2^390354839101 is an apocalyptic number.

It is an amenable number.

390354839101 is a deficient number, since it is larger than the sum of its proper divisors (1).

390354839101 is an equidigital number, since it uses as much as digits as its factorization.

390354839101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 349920, while the sum is 46.

The spelling of 390354839101 in words is "three hundred ninety billion, three hundred fifty-four million, eight hundred thirty-nine thousand, one hundred one".