9742479619 has 2 divisors, whose sum is σ = 9742479620. Its totient is φ = 9742479618.

The previous prime is 9742479613. The next prime is 9742479631. The reversal of 9742479619 is 9169742479.

It is a weak prime.

It is an emirp because it is prime and its reverse (9169742479) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9742479619 - 2¹⁵ = 9742446851 is a prime.

It is a super-2 number, since 2×9742479619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9742479613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4871239809 + 4871239810.

It is an arithmetic number, because the mean of its divisors is an integer number (4871239810).

Almost surely, 2^9742479619 is an apocalyptic number.

9742479619 is a deficient number, since it is larger than the sum of its proper divisors (1).

9742479619 is an equidigital number, since it uses as much as digits as its factorization.

9742479619 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6858432, while the sum is 58.

The square root of 9742479619 is about 98704.0000151970. Note that the first 4 decimals coincide. The cubic root of 9742479619 is about 2135.7799342493.

The spelling of 9742479619 in words is "nine billion, seven hundred forty-two million, four hundred seventy-nine thousand, six hundred nineteen".