641411807 has 8 divisors (see below), whose sum is σ = 646890240. Its totient is φ = 635955840.

The previous prime is 641411801. The next prime is 641411809. The reversal of 641411807 is 708114146.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 641411807 - 2⁴ = 641411791 is a prime.

It is a super-2 number, since 2×641411807² = 822818212318010498, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641411801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54419 + ... + 65147.

It is an arithmetic number, because the mean of its divisors is an integer number (80861280).

Almost surely, 2^641411807 is an apocalyptic number.

641411807 is a deficient number, since it is larger than the sum of its proper divisors (5478433).

641411807 is a wasteful number, since it uses less digits than its factorization.

641411807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11233.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 641411807 is about 25326.1091958477. The cubic root of 641411807 is about 862.4070868757.

The spelling of 641411807 in words is "six hundred forty-one million, four hundred eleven thousand, eight hundred seven".