395401890967 has 2 divisors, whose sum is σ = 395401890968. Its totient is φ = 395401890966.

The previous prime is 395401890953. The next prime is 395401891069. The reversal of 395401890967 is 769098104593.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-395401890967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (395401893967) 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, 197700945483 + 197700945484.

It is an arithmetic number, because the mean of its divisors is an integer number (197700945484).

Almost surely, 2^395401890967 is an apocalyptic number.

395401890967 is a deficient number, since it is larger than the sum of its proper divisors (1).

395401890967 is an equidigital number, since it uses as much as digits as its factorization.

395401890967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 395401890967 in words is "three hundred ninety-five billion, four hundred one million, eight hundred ninety thousand, nine hundred sixty-seven".