400377665159 has 2 divisors, whose sum is σ = 400377665160. Its totient is φ = 400377665158.

The previous prime is 400377665117. The next prime is 400377665161. The reversal of 400377665159 is 951566773004.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 400377665159 - 2³⁶ = 331658188423 is a prime.

Together with 400377665161, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400377665159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (400377665659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200188832579 + 200188832580.

It is an arithmetic number, because the mean of its divisors is an integer number (200188832580).

Almost surely, 2^400377665159 is an apocalyptic number.

400377665159 is a deficient number, since it is larger than the sum of its proper divisors (1).

400377665159 is an equidigital number, since it uses as much as digits as its factorization.

400377665159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4762800, while the sum is 53.

The spelling of 400377665159 in words is "four hundred billion, three hundred seventy-seven million, six hundred sixty-five thousand, one hundred fifty-nine".