9724494313 has 2 divisors, whose sum is σ = 9724494314. Its totient is φ = 9724494312.

The previous prime is 9724494287. The next prime is 9724494331. The reversal of 9724494313 is 3134944279.

Together with next prime (9724494331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7518970944 + 2205523369 = 86712^2 + 46963^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9724494313 is a prime.

It is not a weakly prime, because it can be changed into another prime (9724492313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4862247156 + 4862247157.

It is an arithmetic number, because the mean of its divisors is an integer number (4862247157).

Almost surely, 2^9724494313 is an apocalyptic number.

It is an amenable number.

9724494313 is a deficient number, since it is larger than the sum of its proper divisors (1).

9724494313 is an equidigital number, since it uses as much as digits as its factorization.

9724494313 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 46.

The square root of 9724494313 is about 98612.8506483815. The cubic root of 9724494313 is about 2134.4648577686.

The spelling of 9724494313 in words is "nine billion, seven hundred twenty-four million, four hundred ninety-four thousand, three hundred thirteen".