2539694848 has 18 divisors (see below), whose sum is σ = 5069469524. Its totient is φ = 1269847296.

The previous prime is 2539694827. The next prime is 2539694849. The reversal of 2539694848 is 8484969352.

It is a junction number, because it is equal to n+sod(n) for n = 2539694792 and 2539694801.

It is not an unprimeable number, because it can be changed into a prime (2539694849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4960086 + ... + 4960597.

Almost surely, 2^2539694848 is an apocalyptic number.

It is an amenable number.

2539694848 is a deficient number, since it is larger than the sum of its proper divisors (2529774676).

2539694848 is an frugal number, since it uses more digits than its factorization.

2539694848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9920699 (or 9920685 counting only the distinct ones).

The product of its digits is 14929920, while the sum is 58.

The square root of 2539694848 is about 50395.3851855505. The cubic root of 2539694848 is about 1364.3543481869.

The spelling of 2539694848 in words is "two billion, five hundred thirty-nine million, six hundred ninety-four thousand, eight hundred forty-eight".