7516726649 has 2 divisors, whose sum is σ = 7516726650. Its totient is φ = 7516726648.

The previous prime is 7516726627. The next prime is 7516726661. The reversal of 7516726649 is 9466276157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4134490000 + 3382236649 = 64300^2 + 58157^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7516726649 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7516726649.

It is not a weakly prime, because it can be changed into another prime (7516776649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3758363324 + 3758363325.

It is an arithmetic number, because the mean of its divisors is an integer number (3758363325).

Almost surely, 2^7516726649 is an apocalyptic number.

It is an amenable number.

7516726649 is a deficient number, since it is larger than the sum of its proper divisors (1).

7516726649 is an equidigital number, since it uses as much as digits as its factorization.

7516726649 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3810240, while the sum is 53.

The square root of 7516726649 is about 86699.0579475925. The cubic root of 7516726649 is about 1958.8879094051.

The spelling of 7516726649 in words is "seven billion, five hundred sixteen million, seven hundred twenty-six thousand, six hundred forty-nine".