7538944339 has 2 divisors, whose sum is σ = 7538944340. Its totient is φ = 7538944338.

The previous prime is 7538944327. The next prime is 7538944351. The reversal of 7538944339 is 9334498357.

It is a balanced prime because it is at equal distance from previous prime (7538944327) and next prime (7538944351).

It is a cyclic number.

It is not a de Polignac number, because 7538944339 - 2⁵ = 7538944307 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7538944339.

It is not a weakly prime, because it can be changed into another prime (7538944379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3769472169 + 3769472170.

It is an arithmetic number, because the mean of its divisors is an integer number (3769472170).

Almost surely, 2^7538944339 is an apocalyptic number.

7538944339 is a deficient number, since it is larger than the sum of its proper divisors (1).

7538944339 is an equidigital number, since it uses as much as digits as its factorization.

7538944339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9797760, while the sum is 55.

The square root of 7538944339 is about 86827.0944982037. The cubic root of 7538944339 is about 1960.8160161624.

The spelling of 7538944339 in words is "seven billion, five hundred thirty-eight million, nine hundred forty-four thousand, three hundred thirty-nine".