400000013402179 has 2 divisors, whose sum is σ = 400000013402180. Its totient is φ = 400000013402178.

The previous prime is 400000013402161. The next prime is 400000013402201. The reversal of 400000013402179 is 971204310000004.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 400000013402179 - 2²³ = 400000005013571 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 400000013402179.

It is not a weakly prime, because it can be changed into another prime (400000013402159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200000006701089 + 200000006701090.

It is an arithmetic number, because the mean of its divisors is an integer number (200000006701090).

Almost surely, 2^{400000013402179} is an apocalyptic number.

400000013402179 is a deficient number, since it is larger than the sum of its proper divisors (1).

400000013402179 is an equidigital number, since it uses as much as digits as its factorization.

400000013402179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6048, while the sum is 31.

The spelling of 400000013402179 in words is "four hundred trillion, thirteen million, four hundred two thousand, one hundred seventy-nine".