5105439049 has 2 divisors, whose sum is σ = 5105439050. Its totient is φ = 5105439048.

The previous prime is 5105439037. The next prime is 5105439077. The reversal of 5105439049 is 9409345015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4039873600 + 1065565449 = 63560^2 + 32643^2 .

It is a cyclic number.

It is not a de Polignac number, because 5105439049 - 2¹⁵ = 5105406281 is a prime.

It is not a weakly prime, because it can be changed into another prime (5105439019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2552719524 + 2552719525.

It is an arithmetic number, because the mean of its divisors is an integer number (2552719525).

Almost surely, 2^5105439049 is an apocalyptic number.

It is an amenable number.

5105439049 is a deficient number, since it is larger than the sum of its proper divisors (1).

5105439049 is an equidigital number, since it uses as much as digits as its factorization.

5105439049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 40.

The square root of 5105439049 is about 71452.3550976453. The cubic root of 5105439049 is about 1721.9123143326.

The spelling of 5105439049 in words is "five billion, one hundred five million, four hundred thirty-nine thousand, forty-nine".