2119498997 has 16 divisors (see below), whose sum is σ = 2644611072. Its totient is φ = 1650233520.

The previous prime is 2119498957. The next prime is 2119498999. The reversal of 2119498997 is 7998949112.

It is a cyclic number.

It is not a de Polignac number, because 2119498997 - 2⁶ = 2119498933 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 (2119498999) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91808 + ... + 112550.

It is an arithmetic number, because the mean of its divisors is an integer number (165288192).

Almost surely, 2^2119498997 is an apocalyptic number.

It is an amenable number.

2119498997 is a deficient number, since it is larger than the sum of its proper divisors (525112075).

2119498997 is a wasteful number, since it uses less digits than its factorization.

2119498997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22088.

The product of its digits is 2939328, while the sum is 59.

The square root of 2119498997 is about 46038.0168664985. The cubic root of 2119498997 is about 1284.5304540929.

The spelling of 2119498997 in words is "two billion, one hundred nineteen million, four hundred ninety-eight thousand, nine hundred ninety-seven".