43996952381383 has 2 divisors, whose sum is σ = 43996952381384. Its totient is φ = 43996952381382.

The previous prime is 43996952381381. The next prime is 43996952381413. The reversal of 43996952381383 is 38318325969934.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 43996952381383 - 2¹ = 43996952381381 is a prime.

Together with 43996952381381, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43996952381381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21998476190691 + 21998476190692.

It is an arithmetic number, because the mean of its divisors is an integer number (21998476190692).

Almost surely, 2^{43996952381383} is an apocalyptic number.

43996952381383 is a deficient number, since it is larger than the sum of its proper divisors (1).

43996952381383 is an equidigital number, since it uses as much as digits as its factorization.

43996952381383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 906992640, while the sum is 73.

The spelling of 43996952381383 in words is "forty-three trillion, nine hundred ninety-six billion, nine hundred fifty-two million, three hundred eighty-one thousand, three hundred eighty-three".