43204429993 has 2 divisors, whose sum is σ = 43204429994. Its totient is φ = 43204429992.

The previous prime is 43204429963. The next prime is 43204430051. The reversal of 43204429993 is 39992440234.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32156738329 + 11047691664 = 179323^2 + 105108^2 .

It is a cyclic number.

It is not a de Polignac number, because 43204429993 - 2²¹ = 43202332841 is a prime.

It is not a weakly prime, because it can be changed into another prime (43204429913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21602214996 + 21602214997.

It is an arithmetic number, because the mean of its divisors is an integer number (21602214997).

Almost surely, 2^43204429993 is an apocalyptic number.

It is an amenable number.

43204429993 is a deficient number, since it is larger than the sum of its proper divisors (1).

43204429993 is an equidigital number, since it uses as much as digits as its factorization.

43204429993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 43204429993 in words is "forty-three billion, two hundred four million, four hundred twenty-nine thousand, nine hundred ninety-three".