2752639639 has 4 divisors (see below), whose sum is σ = 2785804056. Its totient is φ = 2719475224.

The previous prime is 2752639567. The next prime is 2752639651. The reversal of 2752639639 is 9369362572.

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

It is a cyclic number.

It is not a de Polignac number, because 2752639639 - 2²⁹ = 2215768727 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 (2752639339) 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, 16582084 + ... + 16582249.

It is an arithmetic number, because the mean of its divisors is an integer number (696451014).

Almost surely, 2^2752639639 is an apocalyptic number.

2752639639 is a deficient number, since it is larger than the sum of its proper divisors (33164417).

2752639639 is an equidigital number, since it uses as much as digits as its factorization.

2752639639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33164416.

The product of its digits is 3674160, while the sum is 52.

The square root of 2752639639 is about 52465.6043422736. The cubic root of 2752639639 is about 1401.4677869666.

The spelling of 2752639639 in words is "two billion, seven hundred fifty-two million, six hundred thirty-nine thousand, six hundred thirty-nine".