2591996346117 has 16 divisors (see below), whose sum is σ = 4065876622080. Its totient is φ = 1626350648256.

The previous prime is 2591996346103. The next prime is 2591996346193. The reversal of 2591996346117 is 7116436991952.

2591996346117 is a `hidden beast` number, since 2 + 5 + 9 + 1 + 9 + 9 + 6 + 3 + 4 + 611 + 7 = 666.

It is not a de Polignac number, because 2591996346117 - 2¹⁸ = 2591996083973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2591996346197) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2823524973 + ... + 2823525890.

It is an arithmetic number, because the mean of its divisors is an integer number (254117288880).

Almost surely, 2^{2591996346117} is an apocalyptic number.

2591996346117 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2591996346117 is a deficient number, since it is larger than the sum of its proper divisors (1473880275963).

2591996346117 is a wasteful number, since it uses less digits than its factorization.

2591996346117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5647050889 (or 5647050883 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 63.

The spelling of 2591996346117 in words is "two trillion, five hundred ninety-one billion, nine hundred ninety-six million, three hundred forty-six thousand, one hundred seventeen".