43049011 has 2 divisors, whose sum is σ = 43049012. Its totient is φ = 43049010.

The previous prime is 43048997. The next prime is 43049101. The reversal of 43049011 is 11094034.

Together with next prime (43049101) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43049011 - 2⁵ = 43048979 is a prime.

It is not a weakly prime, because it can be changed into another prime (43044011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21524505 + 21524506.

It is an arithmetic number, because the mean of its divisors is an integer number (21524506).

Almost surely, 2^43049011 is an apocalyptic number.

43049011 is a deficient number, since it is larger than the sum of its proper divisors (1).

43049011 is an equidigital number, since it uses as much as digits as its factorization.

43049011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 43049011 is about 6561.1745137590. The cubic root of 43049011 is about 350.4728601842.

The spelling of 43049011 in words is "forty-three million, forty-nine thousand, eleven".