43483091893 has 2 divisors, whose sum is σ = 43483091894. Its totient is φ = 43483091892.

The previous prime is 43483091779. The next prime is 43483091921. The reversal of 43483091893 is 39819038434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43471416004 + 11675889 = 208498^2 + 3417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43483091893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 43483091893.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43483091593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21741545946 + 21741545947.

It is an arithmetic number, because the mean of its divisors is an integer number (21741545947).

Almost surely, 2^43483091893 is an apocalyptic number.

It is an amenable number.

43483091893 is a deficient number, since it is larger than the sum of its proper divisors (1).

43483091893 is an equidigital number, since it uses as much as digits as its factorization.

43483091893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2239488, while the sum is 52.

The spelling of 43483091893 in words is "forty-three billion, four hundred eighty-three million, ninety-one thousand, eight hundred ninety-three".