390491095373 has 2 divisors, whose sum is σ = 390491095374. Its totient is φ = 390491095372.

The previous prime is 390491095339. The next prime is 390491095409. The reversal of 390491095373 is 373590194093.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340750052644 + 49741042729 = 583738^2 + 223027^2 .

It is a cyclic number.

It is not a de Polignac number, because 390491095373 - 2¹⁰ = 390491094349 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (390491095073) 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, 195245547686 + 195245547687.

It is an arithmetic number, because the mean of its divisors is an integer number (195245547687).

Almost surely, 2^390491095373 is an apocalyptic number.

It is an amenable number.

390491095373 is a deficient number, since it is larger than the sum of its proper divisors (1).

390491095373 is an equidigital number, since it uses as much as digits as its factorization.

390491095373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2755620, while the sum is 53.

The spelling of 390491095373 in words is "three hundred ninety billion, four hundred ninety-one million, ninety-five thousand, three hundred seventy-three".