401133919 has 2 divisors, whose sum is σ = 401133920. Its totient is φ = 401133918.

The previous prime is 401133917. The next prime is 401134031. The reversal of 401133919 is 919331104.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401133919 - 2¹ = 401133917 is a prime.

It is a super-2 number, since 2×401133919² = 321816841944597122, which contains 22 as substring.

Together with 401133917, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401133917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200566959 + 200566960.

It is an arithmetic number, because the mean of its divisors is an integer number (200566960).

Almost surely, 2^401133919 is an apocalyptic number.

401133919 is a deficient number, since it is larger than the sum of its proper divisors (1).

401133919 is an equidigital number, since it uses as much as digits as its factorization.

401133919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2916, while the sum is 31.

The square root of 401133919 is about 20028.3279132333. The cubic root of 401133919 is about 737.5018750886.

The spelling of 401133919 in words is "four hundred one million, one hundred thirty-three thousand, nine hundred nineteen".