2659135013623 has 4 divisors (see below), whose sum is σ = 2900874560328. Its totient is φ = 2417395466920.

The previous prime is 2659135013621. The next prime is 2659135013749. The reversal of 2659135013623 is 3263105319562.

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

It is a cyclic number.

It is not a de Polignac number, because 2659135013623 - 2¹ = 2659135013621 is a prime.

It is a super-2 number, since 2×2659135013623² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2659135013621) 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, 120869773336 + ... + 120869773357.

It is an arithmetic number, because the mean of its divisors is an integer number (725218640082).

Almost surely, 2^{2659135013623} is an apocalyptic number.

2659135013623 is a deficient number, since it is larger than the sum of its proper divisors (241739546705).

2659135013623 is a wasteful number, since it uses less digits than its factorization.

2659135013623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241739546704.

The product of its (nonzero) digits is 874800, while the sum is 46.

The spelling of 2659135013623 in words is "two trillion, six hundred fifty-nine billion, one hundred thirty-five million, thirteen thousand, six hundred twenty-three".