5439174989 has 2 divisors, whose sum is σ = 5439174990. Its totient is φ = 5439174988.

The previous prime is 5439174947. The next prime is 5439175009. The reversal of 5439174989 is 9894719345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3141602500 + 2297572489 = 56050^2 + 47933^2 .

It is a cyclic number.

It is not a de Polignac number, because 5439174989 - 2⁸ = 5439174733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5439174589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719587494 + 2719587495.

It is an arithmetic number, because the mean of its divisors is an integer number (2719587495).

Almost surely, 2^5439174989 is an apocalyptic number.

It is an amenable number.

5439174989 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439174989 is an equidigital number, since it uses as much as digits as its factorization.

5439174989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9797760, while the sum is 59.

The square root of 5439174989 is about 73750.7626333450. The cubic root of 5439174989 is about 1758.6429567007.

The spelling of 5439174989 in words is "five billion, four hundred thirty-nine million, one hundred seventy-four thousand, nine hundred eighty-nine".