641343703 has 24 divisors (see below), whose sum is σ = 876491280. Its totient is φ = 461301120.

The previous prime is 641343673. The next prime is 641343721. The reversal of 641343703 is 307343146.

It is not a de Polignac number, because 641343703 - 2¹⁷ = 641212631 is a prime.

It is a super-2 number, since 2×641343703² = 822643490755504418, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641343733) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38758 + ... + 52771.

It is an arithmetic number, because the mean of its divisors is an integer number (36520470).

Almost surely, 2^641343703 is an apocalyptic number.

641343703 is a deficient number, since it is larger than the sum of its proper divisors (235147577).

641343703 is a wasteful number, since it uses less digits than its factorization.

641343703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91567 (or 91560 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 31.

The square root of 641343703 is about 25324.7646188469. The cubic root of 641343703 is about 862.3765628294.

Adding to 641343703 its reverse (307343146), we get a palindrome (948686849).

The spelling of 641343703 in words is "six hundred forty-one million, three hundred forty-three thousand, seven hundred three".