6609652957 has 4 divisors (see below), whose sum is σ = 6618549600. Its totient is φ = 6600756316.

The previous prime is 6609652939. The next prime is 6609652961. The reversal of 6609652957 is 7592569066.

6609652957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7592569066 = 2 ⋅3796284533.

It is a cyclic number.

It is not a de Polignac number, because 6609652957 - 2¹⁵ = 6609620189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6609652898 and 6609652907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6609652967) 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, 4447207 + ... + 4448692.

It is an arithmetic number, because the mean of its divisors is an integer number (1654637400).

Almost surely, 2^6609652957 is an apocalyptic number.

It is an amenable number.

6609652957 is a deficient number, since it is larger than the sum of its proper divisors (8896643).

6609652957 is an equidigital number, since it uses as much as digits as its factorization.

6609652957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8896642.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The square root of 6609652957 is about 81299.7721829526. The cubic root of 6609652957 is about 1876.6914947003.

The spelling of 6609652957 in words is "six billion, six hundred nine million, six hundred fifty-two thousand, nine hundred fifty-seven".