9932912819 has 2 divisors, whose sum is σ = 9932912820. Its totient is φ = 9932912818.

The previous prime is 9932912749. The next prime is 9932912897. The reversal of 9932912819 is 9182192399.

It is a weak prime.

It is an emirp because it is prime and its reverse (9182192399) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9932912819 is a prime.

It is a super-2 number, since 2×9932912819² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (9932915819) 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, 4966456409 + 4966456410.

It is an arithmetic number, because the mean of its divisors is an integer number (4966456410).

Almost surely, 2^9932912819 is an apocalyptic number.

9932912819 is a deficient number, since it is larger than the sum of its proper divisors (1).

9932912819 is an equidigital number, since it uses as much as digits as its factorization.

9932912819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 629856, while the sum is 53.

The square root of 9932912819 is about 99663.9996137020. Note that the first 3 decimals coincide. The cubic root of 9932912819 is about 2149.6060442051.

The spelling of 9932912819 in words is "nine billion, nine hundred thirty-two million, nine hundred twelve thousand, eight hundred nineteen".