43340747999 has 2 divisors, whose sum is σ = 43340748000. Its totient is φ = 43340747998.

The previous prime is 43340747941. The next prime is 43340748007. The reversal of 43340747999 is 99974704334.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43340747999 - 2²⁰ = 43339699423 is a prime.

It is a super-2 number, since 2×43340747999² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43340747929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21670373999 + 21670374000.

It is an arithmetic number, because the mean of its divisors is an integer number (21670374000).

Almost surely, 2^43340747999 is an apocalyptic number.

43340747999 is a deficient number, since it is larger than the sum of its proper divisors (1).

43340747999 is an equidigital number, since it uses as much as digits as its factorization.

43340747999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20575296, while the sum is 59.

The spelling of 43340747999 in words is "forty-three billion, three hundred forty million, seven hundred forty-seven thousand, nine hundred ninety-nine".