43342919 has 2 divisors, whose sum is σ = 43342920. Its totient is φ = 43342918.

The previous prime is 43342913. The next prime is 43342921. The reversal of 43342919 is 91924334.

43342919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43342919 - 2²⁴ = 26565703 is a prime.

It is a super-2 number, since 2×43342919² = 3757217254881122, which contains 22 as substring.

Together with 43342921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43342913) 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 as a sum of consecutive naturals, namely, 21671459 + 21671460.

It is an arithmetic number, because the mean of its divisors is an integer number (21671460).

Almost surely, 2^43342919 is an apocalyptic number.

43342919 is a deficient number, since it is larger than the sum of its proper divisors (1).

43342919 is an equidigital number, since it uses as much as digits as its factorization.

43342919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 35.

The square root of 43342919 is about 6583.5339294333. The cubic root of 43342919 is about 351.2686449663.

The spelling of 43342919 in words is "forty-three million, three hundred forty-two thousand, nine hundred nineteen".