9641742827 has 2 divisors, whose sum is σ = 9641742828. Its totient is φ = 9641742826.

The previous prime is 9641742739. The next prime is 9641742833. The reversal of 9641742827 is 7282471469.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9641742827 - 2²⁰ = 9640694251 is a prime.

It is not a weakly prime, because it can be changed into another prime (9641742427) 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, 4820871413 + 4820871414.

It is an arithmetic number, because the mean of its divisors is an integer number (4820871414).

Almost surely, 2^9641742827 is an apocalyptic number.

9641742827 is a deficient number, since it is larger than the sum of its proper divisors (1).

9641742827 is an equidigital number, since it uses as much as digits as its factorization.

9641742827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1354752, while the sum is 50.

The square root of 9641742827 is about 98192.3766236463. The cubic root of 9641742827 is about 2128.3931268712.

The spelling of 9641742827 in words is "nine billion, six hundred forty-one million, seven hundred forty-two thousand, eight hundred twenty-seven".