641051589 has 16 divisors (see below), whose sum is σ = 922093632. Its totient is φ = 394637568.

The previous prime is 641051557. The next prime is 641051627. The reversal of 641051589 is 985150146.

It is not a de Polignac number, because 641051589 - 2⁵ = 641051557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (641051519) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115879 + ... + 121284.

It is an arithmetic number, because the mean of its divisors is an integer number (57630852).

Almost surely, 2^641051589 is an apocalyptic number.

It is an amenable number.

641051589 is a deficient number, since it is larger than the sum of its proper divisors (281042043).

641051589 is a wasteful number, since it uses less digits than its factorization.

641051589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237236.

The product of its (nonzero) digits is 43200, while the sum is 39.

The square root of 641051589 is about 25318.9966033411. The cubic root of 641051589 is about 862.2456135312.

The spelling of 641051589 in words is "six hundred forty-one million, fifty-one thousand, five hundred eighty-nine".