641370411 has 12 divisors (see below), whose sum is σ = 1010644440. Its totient is φ = 388709280.

The previous prime is 641370361. The next prime is 641370449. The reversal of 641370411 is 114073146.

It is a happy number.

641370411 is a `hidden beast` number, since 641 + 3 + 7 + 0 + 4 + 11 = 666.

It is not a de Polignac number, because 641370411 - 2⁹ = 641369899 is a prime.

It is a super-2 number, since 2×641370411² = 822712008212617842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (641370451) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3239146 + ... + 3239343.

It is an arithmetic number, because the mean of its divisors is an integer number (84220370).

Almost surely, 2^641370411 is an apocalyptic number.

641370411 is a deficient number, since it is larger than the sum of its proper divisors (369274029).

641370411 is a wasteful number, since it uses less digits than its factorization.

641370411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6478506 (or 6478503 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 641370411 is about 25325.2919232928. The cubic root of 641370411 is about 862.3885335472.

The spelling of 641370411 in words is "six hundred forty-one million, three hundred seventy thousand, four hundred eleven".