641191339707 has 8 divisors (see below), whose sum is σ = 855236917584. Its totient is φ = 427303327488.

The previous prime is 641191339667. The next prime is 641191339721. The reversal of 641191339707 is 707933191146.

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

It is not a de Polignac number, because 641191339707 - 2⁶ = 641191339643 is a prime.

It is a super-2 number, since 2×641191339707² (a number of 24 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 641191339707.

It is not an unprimeable number, because it can be changed into a prime (641191339787) 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, 39381918 + ... + 39398195.

It is an arithmetic number, because the mean of its divisors is an integer number (106904614698).

Almost surely, 2^641191339707 is an apocalyptic number.

641191339707 is a deficient number, since it is larger than the sum of its proper divisors (214045577877).

641191339707 is a wasteful number, since it uses less digits than its factorization.

641191339707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78782829.

The product of its (nonzero) digits is 857304, while the sum is 51.

The spelling of 641191339707 in words is "six hundred forty-one billion, one hundred ninety-one million, three hundred thirty-nine thousand, seven hundred seven".