43104100309 has 2 divisors, whose sum is σ = 43104100310. Its totient is φ = 43104100308.

The previous prime is 43104100217. The next prime is 43104100357. The reversal of 43104100309 is 90300140134.

It is a happy number.

43104100309 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 can be written as a sum of positive squares in only one way, i.e., 42613344900 + 490755409 = 206430^2 + 22153^2 .

It is a cyclic number.

It is not a de Polignac number, because 43104100309 - 2⁷ = 43104100181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43104100409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21552050154 + 21552050155.

It is an arithmetic number, because the mean of its divisors is an integer number (21552050155).

Almost surely, 2^43104100309 is an apocalyptic number.

It is an amenable number.

43104100309 is a deficient number, since it is larger than the sum of its proper divisors (1).

43104100309 is an equidigital number, since it uses as much as digits as its factorization.

43104100309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The spelling of 43104100309 in words is "forty-three billion, one hundred four million, one hundred thousand, three hundred nine".