43440442232419 has 2 divisors, whose sum is σ = 43440442232420. Its totient is φ = 43440442232418.

The previous prime is 43440442232393. The next prime is 43440442232441. The reversal of 43440442232419 is 91423224404434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43440442232419 - 2¹¹ = 43440442230371 is a prime.

It is a super-2 number, since 2×43440442232419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43440442232449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21720221116209 + 21720221116210.

It is an arithmetic number, because the mean of its divisors is an integer number (21720221116210).

Almost surely, 2^{43440442232419} is an apocalyptic number.

43440442232419 is a deficient number, since it is larger than the sum of its proper divisors (1).

43440442232419 is an equidigital number, since it uses as much as digits as its factorization.

43440442232419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2654208, while the sum is 46.

The spelling of 43440442232419 in words is "forty-three trillion, four hundred forty billion, four hundred forty-two million, two hundred thirty-two thousand, four hundred nineteen".