2103982919 has 2 divisors, whose sum is σ = 2103982920. Its totient is φ = 2103982918.

The previous prime is 2103982877. The next prime is 2103982921. The reversal of 2103982919 is 9192893012.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2103982919 is a prime.

It is a super-2 number, since 2×2103982919² = 8853488246887521122, which contains 22 as substring.

Together with 2103982921, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2103982919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2103982999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1051991459 + 1051991460.

It is an arithmetic number, because the mean of its divisors is an integer number (1051991460).

Almost surely, 2^2103982919 is an apocalyptic number.

2103982919 is a deficient number, since it is larger than the sum of its proper divisors (1).

2103982919 is an equidigital number, since it uses as much as digits as its factorization.

2103982919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The square root of 2103982919 is about 45869.1935725929. The cubic root of 2103982919 is about 1281.3882478340.

The spelling of 2103982919 in words is "two billion, one hundred three million, nine hundred eighty-two thousand, nine hundred nineteen".