64593089549 has 8 divisors (see below), whose sum is σ = 66745841760. Its totient is φ = 62461758096.

The previous prime is 64593089537. The next prime is 64593089557. The reversal of 64593089549 is 94598039546.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-64593089549 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64593089491 and 64593089500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64593089599) 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, 5349059 + ... + 5361120.

It is an arithmetic number, because the mean of its divisors is an integer number (8343230220).

Almost surely, 2^64593089549 is an apocalyptic number.

It is an amenable number.

64593089549 is a deficient number, since it is larger than the sum of its proper divisors (2152752211).

64593089549 is a wasteful number, since it uses less digits than its factorization.

64593089549 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10710379.

The product of its (nonzero) digits is 41990400, while the sum is 62.

The spelling of 64593089549 in words is "sixty-four billion, five hundred ninety-three million, eighty-nine thousand, five hundred forty-nine".