641710682 has 16 divisors (see below), whose sum is σ = 977139072. Its totient is φ = 316021440.

The previous prime is 641710681. The next prime is 641710691. The reversal of 641710682 is 286017146.

It is not an unprimeable number, because it can be changed into a prime (641710681) 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, 50207 + ... + 61677.

It is an arithmetic number, because the mean of its divisors is an integer number (61071192).

Almost surely, 2^641710682 is an apocalyptic number.

641710682 is a deficient number, since it is larger than the sum of its proper divisors (335428390).

641710682 is a wasteful number, since it uses less digits than its factorization.

641710682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11893.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 641710682 is about 25332.0090399479. The cubic root of 641710682 is about 862.5410163789.

The spelling of 641710682 in words is "six hundred forty-one million, seven hundred ten thousand, six hundred eighty-two".