43034450149 has 2 divisors, whose sum is σ = 43034450150. Its totient is φ = 43034450148.

The previous prime is 43034450141. The next prime is 43034450171. The reversal of 43034450149 is 94105443034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34162128900 + 8872321249 = 184830^2 + 94193^2 .

It is a cyclic number.

It is not a de Polignac number, because 43034450149 - 2³ = 43034450141 is a prime.

It is a super-2 number, since 2×43034450149² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43034450141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21517225074 + 21517225075.

It is an arithmetic number, because the mean of its divisors is an integer number (21517225075).

Almost surely, 2^43034450149 is an apocalyptic number.

It is an amenable number.

43034450149 is a deficient number, since it is larger than the sum of its proper divisors (1).

43034450149 is an equidigital number, since it uses as much as digits as its factorization.

43034450149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 43034450149 in words is "forty-three billion, thirty-four million, four hundred fifty thousand, one hundred forty-nine".