2539691952 has 120 divisors (see below), whose sum is σ = 7683651072. Its totient is φ = 720720000.

The previous prime is 2539691933. The next prime is 2539691969. The reversal of 2539691952 is 2591969352.

2539691952 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2539691952² = 12900070422107140608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2539691895 and 2539691904.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 351577 + ... + 358727.

Almost surely, 2^2539691952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2539691952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3841825536).

2539691952 is an abundant number, since it is smaller than the sum of its proper divisors (5143959120).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2539691952 is a wasteful number, since it uses less digits than its factorization.

2539691952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7327 (or 7314 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 51.

The square root of 2539691952 is about 50395.3564527527. The cubic root of 2539691952 is about 1364.3538295982.

The spelling of 2539691952 in words is "two billion, five hundred thirty-nine million, six hundred ninety-one thousand, nine hundred fifty-two".