43489463 has 2 divisors, whose sum is σ = 43489464. Its totient is φ = 43489462.

The previous prime is 43489447. The next prime is 43489477. The reversal of 43489463 is 36498434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43489463 - 2⁴ = 43489447 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43489463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43489403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21744731 + 21744732.

It is an arithmetic number, because the mean of its divisors is an integer number (21744732).

Almost surely, 2^43489463 is an apocalyptic number.

43489463 is a deficient number, since it is larger than the sum of its proper divisors (1).

43489463 is an equidigital number, since it uses as much as digits as its factorization.

43489463 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 41.

The square root of 43489463 is about 6594.6541228483. The cubic root of 43489463 is about 351.6640836968.

The spelling of 43489463 in words is "forty-three million, four hundred eighty-nine thousand, four hundred sixty-three".