641002342534 has 8 divisors (see below), whose sum is σ = 966060403128. Its totient is φ = 318982208160.

The previous prime is 641002342529. The next prime is 641002342553. The reversal of 641002342534 is 435243200146.

641002342534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a self number, because there is not a number n which added to its sum of digits gives 641002342534.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 759481027 + ... + 759481870.

It is an arithmetic number, because the mean of its divisors is an integer number (120757550391).

Almost surely, 2^641002342534 is an apocalyptic number.

641002342534 is a deficient number, since it is larger than the sum of its proper divisors (325058060594).

641002342534 is a wasteful number, since it uses less digits than its factorization.

641002342534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1518963110.

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 641002342534 in words is "six hundred forty-one billion, two million, three hundred forty-two thousand, five hundred thirty-four".