7490193517 has 2 divisors, whose sum is σ = 7490193518. Its totient is φ = 7490193516.

The previous prime is 7490193499. The next prime is 7490193551. The reversal of 7490193517 is 7153910947.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5955826276 + 1534367241 = 77174^2 + 39171^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7490193517 is a prime.

It is a super-2 number, since 2×7490193517² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7490193017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745096758 + 3745096759.

It is an arithmetic number, because the mean of its divisors is an integer number (3745096759).

Almost surely, 2^7490193517 is an apocalyptic number.

It is an amenable number.

7490193517 is a deficient number, since it is larger than the sum of its proper divisors (1).

7490193517 is an equidigital number, since it uses as much as digits as its factorization.

7490193517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 238140, while the sum is 46.

The square root of 7490193517 is about 86545.9041029672. The cubic root of 7490193517 is about 1956.5803133034.

The spelling of 7490193517 in words is "seven billion, four hundred ninety million, one hundred ninety-three thousand, five hundred seventeen".