43048769 has 2 divisors, whose sum is σ = 43048770. Its totient is φ = 43048768.

The previous prime is 43048763. The next prime is 43048781. The reversal of 43048769 is 96784034.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30658369 + 12390400 = 5537^2 + 3520^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43048769 is a prime.

It is a super-3 number, since 3×43048769³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (43048763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21524384 + 21524385.

It is an arithmetic number, because the mean of its divisors is an integer number (21524385).

Almost surely, 2^43048769 is an apocalyptic number.

It is an amenable number.

43048769 is a deficient number, since it is larger than the sum of its proper divisors (1).

43048769 is an equidigital number, since it uses as much as digits as its factorization.

43048769 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 43048769 is about 6561.1560719129. The cubic root of 43048769 is about 350.4722034552.

The spelling of 43048769 in words is "forty-three million, forty-eight thousand, seven hundred sixty-nine".