2609157704157 has 12 divisors (see below), whose sum is σ = 3768837525180. Its totient is φ = 1739413465728.

The previous prime is 2609157704123. The next prime is 2609157704159. The reversal of 2609157704157 is 7514077519062.

2609157704157 is a `hidden beast` number, since 2 + 6 + 0 + 9 + 157 + 70 + 415 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2230404850116 + 378752854041 = 1493454^2 + 615429^2 .

It is not a de Polignac number, because 2609157704157 - 2⁶ = 2609157704093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2609157704159) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1411338 + ... + 2685179.

It is an arithmetic number, because the mean of its divisors is an integer number (314069793765).

Almost surely, 2^{2609157704157} is an apocalyptic number.

It is an amenable number.

2609157704157 is a deficient number, since it is larger than the sum of its proper divisors (1159679821023).

2609157704157 is a wasteful number, since it uses less digits than its factorization.

2609157704157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4167292 (or 4167289 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 54.

The spelling of 2609157704157 in words is "two trillion, six hundred nine billion, one hundred fifty-seven million, seven hundred four thousand, one hundred fifty-seven".