2549345939 has 8 divisors (see below), whose sum is σ = 2914202880. Its totient is φ = 2184655176.

The previous prime is 2549345933. The next prime is 2549345947. The reversal of 2549345939 is 9395439452.

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

It is a cyclic number.

It is not a de Polignac number, because 2549345939 - 2⁴ = 2549345923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2549345933) 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, 6719 + ... + 71720.

It is an arithmetic number, because the mean of its divisors is an integer number (364275360).

Almost surely, 2^2549345939 is an apocalyptic number.

2549345939 is a deficient number, since it is larger than the sum of its proper divisors (364856941).

2549345939 is an equidigital number, since it uses as much as digits as its factorization.

2549345939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83089.

The product of its digits is 5248800, while the sum is 53.

The square root of 2549345939 is about 50491.0481075606. The cubic root of 2549345939 is about 1366.0803906979.

The spelling of 2549345939 in words is "two billion, five hundred forty-nine million, three hundred forty-five thousand, nine hundred thirty-nine".