9723829513 has 2 divisors, whose sum is σ = 9723829514. Its totient is φ = 9723829512.

The previous prime is 9723829487. The next prime is 9723829517. The reversal of 9723829513 is 3159283279.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6270739344 + 3453090169 = 79188^2 + 58763^2 .

It is an emirp because it is prime and its reverse (3159283279) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9723829513 - 2¹⁷ = 9723698441 is a prime.

It is not a weakly prime, because it can be changed into another prime (9723829517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4861914756 + 4861914757.

It is an arithmetic number, because the mean of its divisors is an integer number (4861914757).

Almost surely, 2^9723829513 is an apocalyptic number.

It is an amenable number.

9723829513 is a deficient number, since it is larger than the sum of its proper divisors (1).

9723829513 is an equidigital number, since it uses as much as digits as its factorization.

9723829513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 816480, while the sum is 49.

The square root of 9723829513 is about 98609.4798333304. The cubic root of 9723829513 is about 2134.4162168649.

The spelling of 9723829513 in words is "nine billion, seven hundred twenty-three million, eight hundred twenty-nine thousand, five hundred thirteen".