2639253529 has 4 divisors (see below), whose sum is σ = 2879185680. Its totient is φ = 2399321380.

The previous prime is 2639253521. The next prime is 2639253559. The reversal of 2639253529 is 9253529362.

2639253529 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2639253529 - 2³ = 2639253521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2639253521) 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, 119966059 + ... + 119966080.

It is an arithmetic number, because the mean of its divisors is an integer number (719796420).

Almost surely, 2^2639253529 is an apocalyptic number.

It is an amenable number.

2639253529 is a deficient number, since it is larger than the sum of its proper divisors (239932151).

2639253529 is a wasteful number, since it uses less digits than its factorization.

2639253529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239932150.

The product of its digits is 874800, while the sum is 46.

The square root of 2639253529 is about 51373.6657150334. The cubic root of 2639253529 is about 1381.9543703254.

The spelling of 2639253529 in words is "two billion, six hundred thirty-nine million, two hundred fifty-three thousand, five hundred twenty-nine".