7493608691 has 2 divisors, whose sum is σ = 7493608692. Its totient is φ = 7493608690.

The previous prime is 7493608669. The next prime is 7493608699. The reversal of 7493608691 is 1968063947.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 7493608691 - 2³⁰ = 6419866867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7493608699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3746804345 + 3746804346.

It is an arithmetic number, because the mean of its divisors is an integer number (3746804346).

Almost surely, 2^7493608691 is an apocalyptic number.

7493608691 is a deficient number, since it is larger than the sum of its proper divisors (1).

7493608691 is an equidigital number, since it uses as much as digits as its factorization.

7493608691 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 53.

The square root of 7493608691 is about 86565.6322740151. The cubic root of 7493608691 is about 1956.8776374819.

The spelling of 7493608691 in words is "seven billion, four hundred ninety-three million, six hundred eight thousand, six hundred ninety-one".