1916074519 has 2 divisors, whose sum is σ = 1916074520. Its totient is φ = 1916074518.

The previous prime is 1916074499. The next prime is 1916074541. The reversal of 1916074519 is 9154706191.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1916074519 - 2⁵ = 1916074487 is a prime.

It is a super-2 number, since 2×1916074519² = 7342683124722162722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1916074579) 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, 958037259 + 958037260.

It is an arithmetic number, because the mean of its divisors is an integer number (958037260).

Almost surely, 2^1916074519 is an apocalyptic number.

1916074519 is a deficient number, since it is larger than the sum of its proper divisors (1).

1916074519 is an equidigital number, since it uses as much as digits as its factorization.

1916074519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 68040, while the sum is 43.

The square root of 1916074519 is about 43772.9884632064. The cubic root of 1916074519 is about 1242.0453840328.

The spelling of 1916074519 in words is "one billion, nine hundred sixteen million, seventy-four thousand, five hundred nineteen".