641174411 has 2 divisors, whose sum is σ = 641174412. Its totient is φ = 641174410.

The previous prime is 641174327. The next prime is 641174447. The reversal of 641174411 is 114471146.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-641174411 is a prime.

It is a super-2 number, since 2×641174411² = 822209250642393842, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (641174461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 320587205 + 320587206.

It is an arithmetic number, because the mean of its divisors is an integer number (320587206).

Almost surely, 2^641174411 is an apocalyptic number.

641174411 is a deficient number, since it is larger than the sum of its proper divisors (1).

641174411 is an equidigital number, since it uses as much as digits as its factorization.

641174411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2688, while the sum is 29.

The square root of 641174411 is about 25321.4219782381. The cubic root of 641174411 is about 862.3006772057.

The spelling of 641174411 in words is "six hundred forty-one million, one hundred seventy-four thousand, four hundred eleven".