9091214999 has 2 divisors, whose sum is σ = 9091215000. Its totient is φ = 9091214998.

The previous prime is 9091214953. The next prime is 9091215011. The reversal of 9091214999 is 9994121909.

It is a strong prime.

It is an emirp because it is prime and its reverse (9994121909) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9091214999 - 2²⁸ = 8822779543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9091214999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9091214399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4545607499 + 4545607500.

It is an arithmetic number, because the mean of its divisors is an integer number (4545607500).

Almost surely, 2^9091214999 is an apocalyptic number.

9091214999 is a deficient number, since it is larger than the sum of its proper divisors (1).

9091214999 is an equidigital number, since it uses as much as digits as its factorization.

9091214999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 472392, while the sum is 53.

The square root of 9091214999 is about 95347.8631066266. The cubic root of 9091214999 is about 2087.0874319856.

The spelling of 9091214999 in words is "nine billion, ninety-one million, two hundred fourteen thousand, nine hundred ninety-nine".