64149022201589 has 16 divisors (see below), whose sum is σ = 69254217285120. Its totient is φ = 59068300797120.

The previous prime is 64149022201549. The next prime is 64149022201603. The reversal of 64149022201589 is 98510222094146.

It is a cyclic number.

It is not a de Polignac number, because 64149022201589 - 2²⁴ = 64149005424373 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 64149022201589.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64149022201549) 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, 14355734 + ... + 18286200.

It is an arithmetic number, because the mean of its divisors is an integer number (4328388580320).

Almost surely, 2^{64149022201589} is an apocalyptic number.

It is an amenable number.

64149022201589 is a deficient number, since it is larger than the sum of its proper divisors (5105195083531).

64149022201589 is a wasteful number, since it uses less digits than its factorization.

64149022201589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3933580.

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 64149022201589 in words is "sixty-four trillion, one hundred forty-nine billion, twenty-two million, two hundred one thousand, five hundred eighty-nine".