2659601953 has 8 divisors (see below), whose sum is σ = 2692642400. Its totient is φ = 2626760448.

The previous prime is 2659601843. The next prime is 2659601999. The reversal of 2659601953 is 3591069562.

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

It is a cyclic number.

It is not a de Polignac number, because 2659601953 - 2¹⁷ = 2659470881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2659601053) 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, 22743 + ... + 76396.

It is an arithmetic number, because the mean of its divisors is an integer number (336580300).

Almost surely, 2^2659601953 is an apocalyptic number.

It is an amenable number.

2659601953 is a deficient number, since it is larger than the sum of its proper divisors (33040447).

2659601953 is a wasteful number, since it uses less digits than its factorization.

2659601953 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99471.

The product of its (nonzero) digits is 437400, while the sum is 46.

The square root of 2659601953 is about 51571.3287883878. The cubic root of 2659601953 is about 1385.4968659583.

The spelling of 2659601953 in words is "two billion, six hundred fifty-nine million, six hundred one thousand, nine hundred fifty-three".