7519674521 has 2 divisors, whose sum is σ = 7519674522. Its totient is φ = 7519674520.

The previous prime is 7519674443. The next prime is 7519674527. The reversal of 7519674521 is 1254769157.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4659564121 + 2860110400 = 68261^2 + 53480^2 .

It is a cyclic number.

It is not a de Polignac number, because 7519674521 - 2¹⁴ = 7519658137 is a prime.

It is not a weakly prime, because it can be changed into another prime (7519674527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3759837260 + 3759837261.

It is an arithmetic number, because the mean of its divisors is an integer number (3759837261).

Almost surely, 2^7519674521 is an apocalyptic number.

It is an amenable number.

7519674521 is a deficient number, since it is larger than the sum of its proper divisors (1).

7519674521 is an equidigital number, since it uses as much as digits as its factorization.

7519674521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 529200, while the sum is 47.

The square root of 7519674521 is about 86716.0568810644. The cubic root of 7519674521 is about 1959.1439515351.

The spelling of 7519674521 in words is "seven billion, five hundred nineteen million, six hundred seventy-four thousand, five hundred twenty-one".