43949363 has 2 divisors, whose sum is σ = 43949364. Its totient is φ = 43949362.

The previous prime is 43949317. The next prime is 43949393. The reversal of 43949363 is 36394934.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43949363 - 2⁸ = 43949107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43949363.

It is not a weakly prime, because it can be changed into another prime (43949393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21974681 + 21974682.

It is an arithmetic number, because the mean of its divisors is an integer number (21974682).

Almost surely, 2^43949363 is an apocalyptic number.

43949363 is a deficient number, since it is larger than the sum of its proper divisors (1).

43949363 is an equidigital number, since it uses as much as digits as its factorization.

43949363 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 41.

The square root of 43949363 is about 6629.4315744263. The cubic root of 43949363 is about 352.8993525707.

The spelling of 43949363 in words is "forty-three million, nine hundred forty-nine thousand, three hundred sixty-three".