2099217493 has 2 divisors, whose sum is σ = 2099217494. Its totient is φ = 2099217492.

The previous prime is 2099217487. The next prime is 2099217499. The reversal of 2099217493 is 3947129902.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2099217487) and next prime (2099217499).

It can be written as a sum of positive squares in only one way, i.e., 2005069284 + 94148209 = 44778^2 + 9703^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2099217493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099217499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049608746 + 1049608747.

It is an arithmetic number, because the mean of its divisors is an integer number (1049608747).

Almost surely, 2^2099217493 is an apocalyptic number.

It is an amenable number.

2099217493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099217493 is an equidigital number, since it uses as much as digits as its factorization.

2099217493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 244944, while the sum is 46.

The square root of 2099217493 is about 45817.2183027298. The cubic root of 2099217493 is about 1280.4200877415.

The spelling of 2099217493 in words is "two billion, ninety-nine million, two hundred seventeen thousand, four hundred ninety-three".