2500959131197 has 8 divisors (see below), whose sum is σ = 2502268769592. Its totient is φ = 2499649689600.

The previous prime is 2500959131173. The next prime is 2500959131207. The reversal of 2500959131197 is 7911319590052.

It can be written as a sum of positive squares in 4 ways, for example, as 18661199236 + 2482297931961 = 136606^2 + 1575531^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2500959131197 - 2³⁹ = 1951203317309 is a prime.

It is a super-4 number, since 4×2500959131197⁴ (a number of 51 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2500959101197) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30097447 + ... + 30180427.

It is an arithmetic number, because the mean of its divisors is an integer number (312783596199).

Almost surely, 2^{2500959131197} is an apocalyptic number.

It is an amenable number.

2500959131197 is a deficient number, since it is larger than the sum of its proper divisors (1309638395).

2500959131197 is a wasteful number, since it uses less digits than its factorization.

2500959131197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98399.

The product of its (nonzero) digits is 765450, while the sum is 52.

The spelling of 2500959131197 in words is "two trillion, five hundred billion, nine hundred fifty-nine million, one hundred thirty-one thousand, one hundred ninety-seven".