43335441049 has 2 divisors, whose sum is σ = 43335441050. Its totient is φ = 43335441048.

The previous prime is 43335441041. The next prime is 43335441101. The reversal of 43335441049 is 94014453334.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26579433024 + 16756008025 = 163032^2 + 129445^2 .

It is a cyclic number.

It is not a de Polignac number, because 43335441049 - 2³ = 43335441041 is a prime.

It is a super-2 number, since 2×43335441049² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (43335441041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21667720524 + 21667720525.

It is an arithmetic number, because the mean of its divisors is an integer number (21667720525).

Almost surely, 2^43335441049 is an apocalyptic number.

It is an amenable number.

43335441049 is a deficient number, since it is larger than the sum of its proper divisors (1).

43335441049 is an equidigital number, since it uses as much as digits as its factorization.

43335441049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 43335441049 in words is "forty-three billion, three hundred thirty-five million, four hundred forty-one thousand, forty-nine".