641299683 has 4 divisors (see below), whose sum is σ = 855066248. Its totient is φ = 427533120.

The previous prime is 641299667. The next prime is 641299691. The reversal of 641299683 is 386992146.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 641299683 - 2⁴ = 641299667 is a prime.

It is a super-2 number, since 2×641299683² = 822530566831800978, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (641299613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106883278 + ... + 106883283.

It is an arithmetic number, because the mean of its divisors is an integer number (213766562).

Almost surely, 2^641299683 is an apocalyptic number.

641299683 is a deficient number, since it is larger than the sum of its proper divisors (213766565).

641299683 is a wasteful number, since it uses less digits than its factorization.

641299683 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213766564.

The product of its digits is 559872, while the sum is 48.

The square root of 641299683 is about 25323.8954941770. The cubic root of 641299683 is about 862.3568320232.

The spelling of 641299683 in words is "six hundred forty-one million, two hundred ninety-nine thousand, six hundred eighty-three".