2539091793 has 16 divisors (see below), whose sum is σ = 3874323456. Its totient is φ = 1448947920.

The previous prime is 2539091791. The next prime is 2539091813. The reversal of 2539091793 is 3971909352.

It is not a de Polignac number, because 2539091793 - 2¹ = 2539091791 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2539091791) 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 15 ways as a sum of consecutive naturals, for example, 65763 + ... + 96968.

It is an arithmetic number, because the mean of its divisors is an integer number (242145216).

Almost surely, 2^2539091793 is an apocalyptic number.

It is an amenable number.

2539091793 is a deficient number, since it is larger than the sum of its proper divisors (1335231663).

2539091793 is a wasteful number, since it uses less digits than its factorization.

2539091793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163484.

The product of its (nonzero) digits is 459270, while the sum is 48.

The square root of 2539091793 is about 50389.4015939860. The cubic root of 2539091793 is about 1364.2463501934.

The spelling of 2539091793 in words is "two billion, five hundred thirty-nine million, ninety-one thousand, seven hundred ninety-three".