43864104959999 has 2 divisors, whose sum is σ = 43864104960000. Its totient is φ = 43864104959998.

The previous prime is 43864104959881. The next prime is 43864104960043. The reversal of 43864104959999 is 99995940146834.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43864104959999 is a prime.

It is a super-3 number, since 3×43864104959999³ (a number of 42 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43864104929999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21932052479999 + 21932052480000.

It is an arithmetic number, because the mean of its divisors is an integer number (21932052480000).

Almost surely, 2^{43864104959999} is an apocalyptic number.

43864104959999 is a deficient number, since it is larger than the sum of its proper divisors (1).

43864104959999 is an equidigital number, since it uses as much as digits as its factorization.

43864104959999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2720977920, while the sum is 80.

The spelling of 43864104959999 in words is "forty-three trillion, eight hundred sixty-four billion, one hundred four million, nine hundred fifty-nine thousand, nine hundred ninety-nine".