2539752463 has 4 divisors (see below), whose sum is σ = 2539878880. Its totient is φ = 2539626048.

The previous prime is 2539752377. The next prime is 2539752493. The reversal of 2539752463 is 3642579352.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539752463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2539752493) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25623 + ... + 75736.

It is an arithmetic number, because the mean of its divisors is an integer number (634969720).

Almost surely, 2^2539752463 is an apocalyptic number.

2539752463 is a deficient number, since it is larger than the sum of its proper divisors (126417).

2539752463 is a wasteful number, since it uses less digits than its factorization.

2539752463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126416.

The product of its digits is 1360800, while the sum is 46.

The square root of 2539752463 is about 50395.9568120301. The cubic root of 2539752463 is about 1364.3646652639.

The spelling of 2539752463 in words is "two billion, five hundred thirty-nine million, seven hundred fifty-two thousand, four hundred sixty-three".