438963434783 has 2 divisors, whose sum is σ = 438963434784. Its totient is φ = 438963434782.

The previous prime is 438963434779. The next prime is 438963434821. The reversal of 438963434783 is 387434369834.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 438963434783 - 2² = 438963434779 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (438963434713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 219481717391 + 219481717392.

It is an arithmetic number, because the mean of its divisors is an integer number (219481717392).

Almost surely, 2^438963434783 is an apocalyptic number.

438963434783 is a deficient number, since it is larger than the sum of its proper divisors (1).

438963434783 is an equidigital number, since it uses as much as digits as its factorization.

438963434783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 125411328, while the sum is 62.

The spelling of 438963434783 in words is "four hundred thirty-eight billion, nine hundred sixty-three million, four hundred thirty-four thousand, seven hundred eighty-three".