2659412651579 has 4 divisors (see below), whose sum is σ = 2672912208384. Its totient is φ = 2645913094776.

The previous prime is 2659412651479. The next prime is 2659412651617. The reversal of 2659412651579 is 9751562149562.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2659412651579 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2659412651479) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6749778107 + ... + 6749778500.

It is an arithmetic number, because the mean of its divisors is an integer number (668228052096).

Almost surely, 2^{2659412651579} is an apocalyptic number.

2659412651579 is a deficient number, since it is larger than the sum of its proper divisors (13499556805).

2659412651579 is a wasteful number, since it uses less digits than its factorization.

2659412651579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13499556804.

The product of its digits is 40824000, while the sum is 62.

The spelling of 2659412651579 in words is "two trillion, six hundred fifty-nine billion, four hundred twelve million, six hundred fifty-one thousand, five hundred seventy-nine".