7499893517 has 2 divisors, whose sum is σ = 7499893518. Its totient is φ = 7499893516.

The previous prime is 7499893483. The next prime is 7499893537. The reversal of 7499893517 is 7153989947.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7400472676 + 99420841 = 86026^2 + 9971^2 .

It is a cyclic number.

It is not a de Polignac number, because 7499893517 - 2¹⁶ = 7499827981 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7499893517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7499893537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3749946758 + 3749946759.

It is an arithmetic number, because the mean of its divisors is an integer number (3749946759).

Almost surely, 2^7499893517 is an apocalyptic number.

It is an amenable number.

7499893517 is a deficient number, since it is larger than the sum of its proper divisors (1).

7499893517 is an equidigital number, since it uses as much as digits as its factorization.

7499893517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17146080, while the sum is 62.

The square root of 7499893517 is about 86601.9255963746. The cubic root of 7499893517 is about 1957.4245568328.

The spelling of 7499893517 in words is "seven billion, four hundred ninety-nine million, eight hundred ninety-three thousand, five hundred seventeen".