2550344939 has 4 divisors (see below), whose sum is σ = 2684573640. Its totient is φ = 2416116240.

The previous prime is 2550344933. The next prime is 2550344959. The reversal of 2550344939 is 9394430552.

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 2550344939 - 2²⁰ = 2549296363 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2550344939.

It is not an unprimeable number, because it can be changed into a prime (2550344933) 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, 67114322 + ... + 67114359.

It is an arithmetic number, because the mean of its divisors is an integer number (671143410).

Almost surely, 2^2550344939 is an apocalyptic number.

2550344939 is a deficient number, since it is larger than the sum of its proper divisors (134228701).

2550344939 is a wasteful number, since it uses less digits than its factorization.

2550344939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134228700.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 2550344939 is about 50500.9399813508. The cubic root of 2550344939 is about 1366.2588071912.

The spelling of 2550344939 in words is "two billion, five hundred fifty million, three hundred forty-four thousand, nine hundred thirty-nine".