401049149369 has 16 divisors (see below), whose sum is σ = 443469600000. Its totient is φ = 359631093120.

The previous prime is 401049149317. The next prime is 401049149383. The reversal of 401049149369 is 963941940104.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 401049149369 - 2²⁰ = 401048100793 is a prime.

It is a super-2 number, since 2×401049149369² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401049149269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 691607 + ... + 1131555.

It is an arithmetic number, because the mean of its divisors is an integer number (27716850000).

Almost surely, 2^401049149369 is an apocalyptic number.

It is an amenable number.

401049149369 is a deficient number, since it is larger than the sum of its proper divisors (42420450631).

401049149369 is a wasteful number, since it uses less digits than its factorization.

401049149369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441088.

The product of its (nonzero) digits is 839808, while the sum is 50.

The spelling of 401049149369 in words is "four hundred one billion, forty-nine million, one hundred forty-nine thousand, three hundred sixty-nine".