2538959996 has 24 divisors (see below), whose sum is σ = 4719906576. Its totient is φ = 1190903040.

The previous prime is 2538959981. The next prime is 2538960023. The reversal of 2538959996 is 6999598352.

It is a happy number.

It is a super-2 number, since 2×2538959996² = 12892635722576640032, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39935 + ... + 81686.

It is an arithmetic number, because the mean of its divisors is an integer number (196662774).

Almost surely, 2^2538959996 is an apocalyptic number.

It is an amenable number.

2538959996 is a deficient number, since it is larger than the sum of its proper divisors (2180946580).

2538959996 is a wasteful number, since it uses less digits than its factorization.

2538959996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121949 (or 121947 counting only the distinct ones).

The product of its digits is 47239200, while the sum is 65.

The square root of 2538959996 is about 50388.0937920854. The cubic root of 2538959996 is about 1364.2227450749. Note that the first 3 decimals are identical.

The spelling of 2538959996 in words is "two billion, five hundred thirty-eight million, nine hundred fifty-nine thousand, nine hundred ninety-six".