43315149239 has 2 divisors, whose sum is σ = 43315149240. Its totient is φ = 43315149238.

The previous prime is 43315149221. The next prime is 43315149259. The reversal of 43315149239 is 93294151334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43315149239 - 2¹² = 43315145143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43315149239.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43315149259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21657574619 + 21657574620.

It is an arithmetic number, because the mean of its divisors is an integer number (21657574620).

Almost surely, 2^43315149239 is an apocalyptic number.

43315149239 is a deficient number, since it is larger than the sum of its proper divisors (1).

43315149239 is an equidigital number, since it uses as much as digits as its factorization.

43315149239 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 349920, while the sum is 44.

The spelling of 43315149239 in words is "forty-three billion, three hundred fifteen million, one hundred forty-nine thousand, two hundred thirty-nine".