2664889593 has 16 divisors (see below), whose sum is σ = 3753434880. Its totient is φ = 1677130704.

The previous prime is 2664889573. The next prime is 2664889597. The reversal of 2664889593 is 3959884662.

It is not a de Polignac number, because 2664889593 - 2⁵ = 2664889561 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2664889597) 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, 66471 + ... + 98732.

It is an arithmetic number, because the mean of its divisors is an integer number (234589680).

Almost surely, 2^2664889593 is an apocalyptic number.

It is an amenable number.

2664889593 is a deficient number, since it is larger than the sum of its proper divisors (1088545287).

2664889593 is a wasteful number, since it uses less digits than its factorization.

2664889593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165508.

The product of its digits is 22394880, while the sum is 60.

The square root of 2664889593 is about 51622.5686400822. The cubic root of 2664889593 is about 1386.4144417345.

The spelling of 2664889593 in words is "two billion, six hundred sixty-four million, eight hundred eighty-nine thousand, five hundred ninety-three".