7475238899 has 2 divisors, whose sum is σ = 7475238900. Its totient is φ = 7475238898.

The previous prime is 7475238893. The next prime is 7475238917. The reversal of 7475238899 is 9988325747.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7475238899 - 2²⁰ = 7474190323 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (7475238893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3737619449 + 3737619450.

It is an arithmetic number, because the mean of its divisors is an integer number (3737619450).

Almost surely, 2^7475238899 is an apocalyptic number.

7475238899 is a deficient number, since it is larger than the sum of its proper divisors (1).

7475238899 is an equidigital number, since it uses as much as digits as its factorization.

7475238899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30481920, while the sum is 62.

The square root of 7475238899 is about 86459.4639065036. The cubic root of 7475238899 is about 1955.2773026497.

The spelling of 7475238899 in words is "seven billion, four hundred seventy-five million, two hundred thirty-eight thousand, eight hundred ninety-nine".