3119388949 has 2 divisors, whose sum is σ = 3119388950. Its totient is φ = 3119388948.

The previous prime is 3119388913. The next prime is 3119388959. The reversal of 3119388949 is 9498839113.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1912312900 + 1207076049 = 43730^2 + 34743^2 .

It is a cyclic number.

It is not a de Polignac number, because 3119388949 - 2²³ = 3111000341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3119388949.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3119388959) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1559694474 + 1559694475.

It is an arithmetic number, because the mean of its divisors is an integer number (1559694475).

Almost surely, 2^3119388949 is an apocalyptic number.

It is an amenable number.

3119388949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3119388949 is an equidigital number, since it uses as much as digits as its factorization.

3119388949 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1679616, while the sum is 55.

The square root of 3119388949 is about 55851.4901233620. The cubic root of 3119388949 is about 1461.1333148591.

The spelling of 3119388949 in words is "three billion, one hundred nineteen million, three hundred eighty-eight thousand, nine hundred forty-nine".