99919283 has 2 divisors, whose sum is σ = 99919284. Its totient is φ = 99919282.

The previous prime is 99919249. The next prime is 99919289. The reversal of 99919283 is 38291999.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99919283 is a prime.

It is not a weakly prime, because it can be changed into another prime (99919289) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49959641 + 49959642.

It is an arithmetic number, because the mean of its divisors is an integer number (49959642).

Almost surely, 2^99919283 is an apocalyptic number.

99919283 is a deficient number, since it is larger than the sum of its proper divisors (1).

99919283 is an equidigital number, since it uses as much as digits as its factorization.

99919283 is an evil number, because the sum of its binary digits is even.

The product of its digits is 314928, while the sum is 50.

The square root of 99919283 is about 9995.9633352669. The cubic root of 99919283 is about 464.0339647031.

The spelling of 99919283 in words is "ninety-nine million, nine hundred nineteen thousand, two hundred eighty-three".