43049769 has 16 divisors (see below), whose sum is σ = 65694720. Its totient is φ = 24564240.

The previous prime is 43049749. The next prime is 43049789. The reversal of 43049769 is 96794034.

It is an interprime number because it is at equal distance from previous prime (43049749) and next prime (43049789).

It is not a de Polignac number, because 43049769 - 2⁷ = 43049641 is a prime.

It is a super-2 number, since 2×43049769² = 3706565221906722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 43049769.

It is not an unprimeable number, because it can be changed into a prime (43049749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21972 + ... + 23850.

It is an arithmetic number, because the mean of its divisors is an integer number (4105920).

Almost surely, 2^43049769 is an apocalyptic number.

It is an amenable number.

43049769 is a deficient number, since it is larger than the sum of its proper divisors (22644951).

43049769 is a wasteful number, since it uses less digits than its factorization.

43049769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2980.

The product of its (nonzero) digits is 163296, while the sum is 42.

The square root of 43049769 is about 6561.2322775527. The cubic root of 43049769 is about 350.4749171952.

The spelling of 43049769 in words is "forty-three million, forty-nine thousand, seven hundred sixty-nine".