400476257513 has 2 divisors, whose sum is σ = 400476257514. Its totient is φ = 400476257512.

The previous prime is 400476257483. The next prime is 400476257549. The reversal of 400476257513 is 315752674004.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 258869299264 + 141606958249 = 508792^2 + 376307^2 .

It is a cyclic number.

It is not a de Polignac number, because 400476257513 - 2⁶ = 400476257449 is a prime.

It is not a weakly prime, because it can be changed into another prime (400476257413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200238128756 + 200238128757.

It is an arithmetic number, because the mean of its divisors is an integer number (200238128757).

Almost surely, 2^400476257513 is an apocalyptic number.

It is an amenable number.

400476257513 is a deficient number, since it is larger than the sum of its proper divisors (1).

400476257513 is an equidigital number, since it uses as much as digits as its factorization.

400476257513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 400476257513 in words is "four hundred billion, four hundred seventy-six million, two hundred fifty-seven thousand, five hundred thirteen".