9016919999 has 4 divisors (see below), whose sum is σ = 9017977200. Its totient is φ = 9015862800.

The previous prime is 9016919993. The next prime is 9016920007. The reversal of 9016919999 is 9999196109.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9999196109 = 7 ⋅1428456587.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9016919999 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9016919993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 515702 + ... + 532899.

It is an arithmetic number, because the mean of its divisors is an integer number (2254494300).

Almost surely, 2^9016919999 is an apocalyptic number.

9016919999 is a deficient number, since it is larger than the sum of its proper divisors (1057201).

9016919999 is a wasteful number, since it uses less digits than its factorization.

9016919999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1057200.

The product of its (nonzero) digits is 3188646, while the sum is 62.

The square root of 9016919999 is about 94957.4641563263. The cubic root of 9016919999 is about 2081.3865261508.

The spelling of 9016919999 in words is "nine billion, sixteen million, nine hundred nineteen thousand, nine hundred ninety-nine".