43301421019 has 2 divisors, whose sum is σ = 43301421020. Its totient is φ = 43301421018.

The previous prime is 43301421001. The next prime is 43301421067. The reversal of 43301421019 is 91012410334.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43301421019 - 2¹¹ = 43301418971 is a prime.

It is a super-2 number, since 2×43301421019² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43301421719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21650710509 + 21650710510.

It is an arithmetic number, because the mean of its divisors is an integer number (21650710510).

Almost surely, 2^43301421019 is an apocalyptic number.

43301421019 is a deficient number, since it is larger than the sum of its proper divisors (1).

43301421019 is an equidigital number, since it uses as much as digits as its factorization.

43301421019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 28.

The spelling of 43301421019 in words is "forty-three billion, three hundred one million, four hundred twenty-one thousand, nineteen".