401127446939 has 2 divisors, whose sum is σ = 401127446940. Its totient is φ = 401127446938.

The previous prime is 401127446899. The next prime is 401127446971. The reversal of 401127446939 is 939644721104.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401127446939 is a prime.

It is a super-3 number, since 3×401127446939³ (a number of 36 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (401127416939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200563723469 + 200563723470.

It is an arithmetic number, because the mean of its divisors is an integer number (200563723470).

Almost surely, 2^401127446939 is an apocalyptic number.

401127446939 is a deficient number, since it is larger than the sum of its proper divisors (1).

401127446939 is an equidigital number, since it uses as much as digits as its factorization.

401127446939 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 401127446939 in words is "four hundred one billion, one hundred twenty-seven million, four hundred forty-six thousand, nine hundred thirty-nine".