2591095545973 has 4 divisors (see below), whose sum is σ = 2826649686528. Its totient is φ = 2355541405420.

The previous prime is 2591095545937. The next prime is 2591095545977. The reversal of 2591095545973 is 3795455901952.

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.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2591095545973 is a prime.

It is a super-2 number, since 2×2591095545973² (a number of 26 digits) contains 22 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 (2591095545977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 117777070261 + ... + 117777070282.

It is an arithmetic number, because the mean of its divisors is an integer number (706662421632).

Almost surely, 2^{2591095545973} is an apocalyptic number.

It is an amenable number.

2591095545973 is a deficient number, since it is larger than the sum of its proper divisors (235554140555).

2591095545973 is a wasteful number, since it uses less digits than its factorization.

2591095545973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235554140554.

The product of its (nonzero) digits is 76545000, while the sum is 64.

The spelling of 2591095545973 in words is "two trillion, five hundred ninety-one billion, ninety-five million, five hundred forty-five thousand, nine hundred seventy-three".