42043213099 has 2 divisors, whose sum is σ = 42043213100. Its totient is φ = 42043213098.

The previous prime is 42043213067. The next prime is 42043213187. The reversal of 42043213099 is 99031234024.

42043213099 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42043213099 - 2⁵ = 42043213067 is a prime.

It is not a weakly prime, because it can be changed into another prime (42043213019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021606549 + 21021606550.

It is an arithmetic number, because the mean of its divisors is an integer number (21021606550).

Almost surely, 2^42043213099 is an apocalyptic number.

42043213099 is a deficient number, since it is larger than the sum of its proper divisors (1).

42043213099 is an equidigital number, since it uses as much as digits as its factorization.

42043213099 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 46656, while the sum is 37.

The spelling of 42043213099 in words is "forty-two billion, forty-three million, two hundred thirteen thousand, ninety-nine".