9990967319 has 2 divisors, whose sum is σ = 9990967320. Its totient is φ = 9990967318.

The previous prime is 9990967313. The next prime is 9990967333. The reversal of 9990967319 is 9137690999.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9990967319 is a prime.

It is a super-2 number, since 2×9990967319² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9990967313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4995483659 + 4995483660.

It is an arithmetic number, because the mean of its divisors is an integer number (4995483660).

Almost surely, 2^9990967319 is an apocalyptic number.

9990967319 is a deficient number, since it is larger than the sum of its proper divisors (1).

9990967319 is an equidigital number, since it uses as much as digits as its factorization.

9990967319 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7440174, while the sum is 62.

The square root of 9990967319 is about 99954.8263917256. The cubic root of 9990967319 is about 2153.7858172476.

The spelling of 9990967319 in words is "nine billion, nine hundred ninety million, nine hundred sixty-seven thousand, three hundred nineteen".