1916119297 has 4 divisors (see below), whose sum is σ = 1962853956. Its totient is φ = 1869384640.

The previous prime is 1916119243. The next prime is 1916119319. The reversal of 1916119297 is 7929116191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7929116191 = 6917 ⋅1146323.

It can be written as a sum of positive squares in 2 ways, for example, as 1151652096 + 764467201 = 33936^2 + 27649^2 .

It is a cyclic number.

It is not a de Polignac number, because 1916119297 - 2¹¹ = 1916117249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1916119097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23367268 + ... + 23367349.

It is an arithmetic number, because the mean of its divisors is an integer number (490713489).

Almost surely, 2^1916119297 is an apocalyptic number.

It is an amenable number.

1916119297 is a deficient number, since it is larger than the sum of its proper divisors (46734659).

1916119297 is an equidigital number, since it uses as much as digits as its factorization.

1916119297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46734658.

The product of its digits is 61236, while the sum is 46.

The square root of 1916119297 is about 43773.4999400322. The cubic root of 1916119297 is about 1242.0550593480.

The spelling of 1916119297 in words is "one billion, nine hundred sixteen million, one hundred nineteen thousand, two hundred ninety-seven".