2539431068 has 12 divisors (see below), whose sum is σ = 4451818560. Its totient is φ = 1267482912.

The previous prime is 2539431053. The next prime is 2539431161. The reversal of 2539431068 is 8601349352.

2539431068 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555596 + ... + 560147.

It is an arithmetic number, because the mean of its divisors is an integer number (370984880).

Almost surely, 2^2539431068 is an apocalyptic number.

It is an amenable number.

2539431068 is a deficient number, since it is larger than the sum of its proper divisors (1912387492).

2539431068 is a wasteful number, since it uses less digits than its factorization.

2539431068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1116316 (or 1116314 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 41.

The square root of 2539431068 is about 50392.7680128806. The cubic root of 2539431068 is about 1364.3071112980.

The spelling of 2539431068 in words is "two billion, five hundred thirty-nine million, four hundred thirty-one thousand, sixty-eight".