6609761725 has 24 divisors (see below), whose sum is σ = 9370025280. Its totient is φ = 4530933120.

The previous prime is 6609761699. The next prime is 6609761729. The reversal of 6609761725 is 5271679066.

It is not a de Polignac number, because 6609761725 - 2¹⁷ = 6609630653 is a prime.

It is a super-2 number, since 2×6609761725² = 87377900122549951250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609761729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1062474 + ... + 1068676.

It is an arithmetic number, because the mean of its divisors is an integer number (390417720).

Almost surely, 2^6609761725 is an apocalyptic number.

It is an amenable number.

6609761725 is a deficient number, since it is larger than the sum of its proper divisors (2760263555).

6609761725 is a wasteful number, since it uses less digits than its factorization.

6609761725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12309 (or 12304 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 49.

The square root of 6609761725 is about 81300.4411119645. The cubic root of 6609761725 is about 1876.7017888798.

The spelling of 6609761725 in words is "six billion, six hundred nine million, seven hundred sixty-one thousand, seven hundred twenty-five".