2639375049 has 8 divisors (see below), whose sum is σ = 3522700480. Its totient is φ = 1757816496.

The previous prime is 2639374981. The next prime is 2639375083. The reversal of 2639375049 is 9405739362.

It is a happy number.

2639375049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2639375049 - 2⁷ = 2639374921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2639374989 and 2639375007.

It is not an unprimeable number, because it can be changed into a prime (2639375449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438229 + ... + 444210.

It is an arithmetic number, because the mean of its divisors is an integer number (440337560).

Almost surely, 2^2639375049 is an apocalyptic number.

It is an amenable number.

2639375049 is a deficient number, since it is larger than the sum of its proper divisors (883325431).

2639375049 is an equidigital number, since it uses as much as digits as its factorization.

2639375049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 883439.

The product of its (nonzero) digits is 1224720, while the sum is 48.

The square root of 2639375049 is about 51374.8484085355. The cubic root of 2639375049 is about 1381.9755799232.

The spelling of 2639375049 in words is "two billion, six hundred thirty-nine million, three hundred seventy-five thousand, forty-nine".