43133050249 has 2 divisors, whose sum is σ = 43133050250. Its totient is φ = 43133050248.

The previous prime is 43133050141. The next prime is 43133050307. The reversal of 43133050249 is 94205033134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36468777024 + 6664273225 = 190968^2 + 81635^2 .

It is a cyclic number.

It is not a de Polignac number, because 43133050249 - 2¹⁵ = 43133017481 is a prime.

It is not a weakly prime, because it can be changed into another prime (43133050349) 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, 21566525124 + 21566525125.

It is an arithmetic number, because the mean of its divisors is an integer number (21566525125).

Almost surely, 2^43133050249 is an apocalyptic number.

It is an amenable number.

43133050249 is a deficient number, since it is larger than the sum of its proper divisors (1).

43133050249 is an equidigital number, since it uses as much as digits as its factorization.

43133050249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 34.

The spelling of 43133050249 in words is "forty-three billion, one hundred thirty-three million, fifty thousand, two hundred forty-nine".