641713514 has 8 divisors (see below), whose sum is σ = 1036614180. Its totient is φ = 296175456.

The previous prime is 641713493. The next prime is 641713517. The reversal of 641713514 is 415317146.

It can be written as a sum of positive squares in 2 ways, for example, as 628354489 + 13359025 = 25067^2 + 3655^2 .

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

It is not an unprimeable number, because it can be changed into a prime (641713517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12340619 + ... + 12340670.

Almost surely, 2^641713514 is an apocalyptic number.

641713514 is a deficient number, since it is larger than the sum of its proper divisors (394900666).

641713514 is a wasteful number, since it uses less digits than its factorization.

641713514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24681304.

The product of its digits is 10080, while the sum is 32.

The square root of 641713514 is about 25332.0649375451. The cubic root of 641713514 is about 862.5422852335.

The spelling of 641713514 in words is "six hundred forty-one million, seven hundred thirteen thousand, five hundred fourteen".