401133379 has 2 divisors, whose sum is σ = 401133380. Its totient is φ = 401133378.

The previous prime is 401133373. The next prime is 401133487. The reversal of 401133379 is 973331104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401133379 - 2³ = 401133371 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 401133379.

It is not a weakly prime, because it can be changed into another prime (401133371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200566689 + 200566690.

It is an arithmetic number, because the mean of its divisors is an integer number (200566690).

Almost surely, 2^401133379 is an apocalyptic number.

401133379 is a deficient number, since it is larger than the sum of its proper divisors (1).

401133379 is an equidigital number, since it uses as much as digits as its factorization.

401133379 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 401133379 is about 20028.3144323231. The cubic root of 401133379 is about 737.5015441507.

The spelling of 401133379 in words is "four hundred one million, one hundred thirty-three thousand, three hundred seventy-nine".