2609129165675 has 6 divisors (see below), whose sum is σ = 3235320165468. Its totient is φ = 2087303332520.

The previous prime is 2609129165639. The next prime is 2609129165677. The reversal of 2609129165675 is 5765619219062.

It is a happy number.

It is not a de Polignac number, because 2609129165675 - 2⁶ = 2609129165611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2609129165677) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52182583289 + ... + 52182583338.

It is an arithmetic number, because the mean of its divisors is an integer number (539220027578).

Almost surely, 2^{2609129165675} is an apocalyptic number.

2609129165675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

2609129165675 is a deficient number, since it is larger than the sum of its proper divisors (626190999793).

2609129165675 is a wasteful number, since it uses less digits than its factorization.

2609129165675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104365166637 (or 104365166632 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 59.

The spelling of 2609129165675 in words is "two trillion, six hundred nine billion, one hundred twenty-nine million, one hundred sixty-five thousand, six hundred seventy-five".