2659651875 has 60 divisors (see below), whose sum is σ = 4936138680. Its totient is φ = 1414908000.

The previous prime is 2659651861. The next prime is 2659651909. The reversal of 2659651875 is 5781569562.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

2659651875 is a `hidden beast` number, since 2 + 6 + 59 + 6 + 518 + 75 = 666.

It is not a de Polignac number, because 2659651875 - 2¹⁶ = 2659586339 is a prime.

Its product of digits (4536000) is a multiple of the sum of its prime divisors (405).

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 6699177 + ... + 6699573.

It is an arithmetic number, because the mean of its divisors is an integer number (82268978).

Almost surely, 2^2659651875 is an apocalyptic number.

2659651875 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2659651875 is a deficient number, since it is larger than the sum of its proper divisors (2276486805).

2659651875 is an frugal number, since it uses more digits than its factorization.

2659651875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 823 (or 405 counting only the distinct ones).

The product of its digits is 4536000, while the sum is 54.

The square root of 2659651875 is about 51571.8127953633. The cubic root of 2659651875 is about 1385.5055347169.

The spelling of 2659651875 in words is "two billion, six hundred fifty-nine million, six hundred fifty-one thousand, eight hundred seventy-five".