5439772517 has 2 divisors, whose sum is σ = 5439772518. Its totient is φ = 5439772516.

The previous prime is 5439772487. The next prime is 5439772529. The reversal of 5439772517 is 7152779345.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2891643076 + 2548129441 = 53774^2 + 50479^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5439772517 is a prime.

It is a super-2 number, since 2×5439772517² = 59182250073417030578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5439772717) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2719886258 + 2719886259.

It is an arithmetic number, because the mean of its divisors is an integer number (2719886259).

Almost surely, 2^5439772517 is an apocalyptic number.

It is an amenable number.

5439772517 is a deficient number, since it is larger than the sum of its proper divisors (1).

5439772517 is an equidigital number, since it uses as much as digits as its factorization.

5439772517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1852200, while the sum is 50.

The square root of 5439772517 is about 73754.8135174919. The cubic root of 5439772517 is about 1758.7073537175.

The spelling of 5439772517 in words is "five billion, four hundred thirty-nine million, seven hundred seventy-two thousand, five hundred seventeen".