9932915819 has 2 divisors, whose sum is σ = 9932915820. Its totient is φ = 9932915818.

The previous prime is 9932915813. The next prime is 9932915891. The reversal of 9932915819 is 9185192399.

Together with next prime (9932915891) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9932915819 - 2⁴ = 9932915803 is a prime.

It is a super-2 number, since 2×9932915819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9932915813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4966457909 + 4966457910.

It is an arithmetic number, because the mean of its divisors is an integer number (4966457910).

Almost surely, 2^9932915819 is an apocalyptic number.

9932915819 is a deficient number, since it is larger than the sum of its proper divisors (1).

9932915819 is an equidigital number, since it uses as much as digits as its factorization.

9932915819 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1574640, while the sum is 56.

The square root of 9932915819 is about 99664.0146642709. The cubic root of 9932915819 is about 2149.6062606175.

The spelling of 9932915819 in words is "nine billion, nine hundred thirty-two million, nine hundred fifteen thousand, eight hundred nineteen".