2539158841 has 6 divisors (see below), whose sum is σ = 2679832842. Its totient is φ = 2405518560.

The previous prime is 2539158799. The next prime is 2539158851. The reversal of 2539158841 is 1488519352.

It can be written as a sum of positive squares in only one way, i.e., 2184627600 + 354531241 = 46740^2 + 18829^2 .

It is not a de Polignac number, because 2539158841 - 2⁹ = 2539158329 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2539158791 and 2539158800.

It is not an unprimeable number, because it can be changed into a prime (2539158851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3516480 + ... + 3517201.

It is an arithmetic number, because the mean of its divisors is an integer number (446638807).

Almost surely, 2^2539158841 is an apocalyptic number.

It is an amenable number.

2539158841 is a deficient number, since it is larger than the sum of its proper divisors (140674001).

2539158841 is an equidigital number, since it uses as much as digits as its factorization.

2539158841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7033719 (or 7033700 counting only the distinct ones).

The product of its digits is 345600, while the sum is 46.

The square root of 2539158841 is about 50390.0668882271. The cubic root of 2539158841 is about 1364.2583583170.

The spelling of 2539158841 in words is "two billion, five hundred thirty-nine million, one hundred fifty-eight thousand, eight hundred forty-one".