43424417412499 has 2 divisors, whose sum is σ = 43424417412500. Its totient is φ = 43424417412498.

The previous prime is 43424417412427. The next prime is 43424417412503. The reversal of 43424417412499 is 99421471442434.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43424417412499 - 2¹⁹ = 43424416888211 is a prime.

It is a super-2 number, since 2×43424417412499² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43424417410499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21712208706249 + 21712208706250.

It is an arithmetic number, because the mean of its divisors is an integer number (21712208706250).

Almost surely, 2^{43424417412499} is an apocalyptic number.

43424417412499 is a deficient number, since it is larger than the sum of its proper divisors (1).

43424417412499 is an equidigital number, since it uses as much as digits as its factorization.

43424417412499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 58.

The spelling of 43424417412499 in words is "forty-three trillion, four hundred twenty-four billion, four hundred seventeen million, four hundred twelve thousand, four hundred ninety-nine".