4549313939 has 2 divisors, whose sum is σ = 4549313940. Its totient is φ = 4549313938.

The previous prime is 4549313921. The next prime is 4549313941. The reversal of 4549313939 is 9393139454.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4549313939 - 2⁸ = 4549313683 is a prime.

Together with 4549313941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4549313959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2274656969 + 2274656970.

It is an arithmetic number, because the mean of its divisors is an integer number (2274656970).

Almost surely, 2^4549313939 is an apocalyptic number.

4549313939 is a deficient number, since it is larger than the sum of its proper divisors (1).

4549313939 is an equidigital number, since it uses as much as digits as its factorization.

4549313939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 50.

The square root of 4549313939 is about 67448.6022019730. The cubic root of 4549313939 is about 1656.9725070761.

The spelling of 4549313939 in words is "four billion, five hundred forty-nine million, three hundred thirteen thousand, nine hundred thirty-nine".