390391775311 has 2 divisors, whose sum is σ = 390391775312. Its totient is φ = 390391775310.

The previous prime is 390391775287. The next prime is 390391775357. The reversal of 390391775311 is 113577193093.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-390391775311 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390391772311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 195195887655 + 195195887656.

It is an arithmetic number, because the mean of its divisors is an integer number (195195887656).

Almost surely, 2^390391775311 is an apocalyptic number.

390391775311 is a deficient number, since it is larger than the sum of its proper divisors (1).

390391775311 is an equidigital number, since it uses as much as digits as its factorization.

390391775311 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 535815, while the sum is 49.

The spelling of 390391775311 in words is "three hundred ninety billion, three hundred ninety-one million, seven hundred seventy-five thousand, three hundred eleven".