43213283473 has 2 divisors, whose sum is σ = 43213283474. Its totient is φ = 43213283472.

The previous prime is 43213283431. The next prime is 43213283539. The reversal of 43213283473 is 37438231234.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26298460224 + 16914823249 = 162168^2 + 130057^2 .

It is a cyclic number.

It is not a de Polignac number, because 43213283473 - 2⁹ = 43213282961 is a prime.

It is not a weakly prime, because it can be changed into another prime (43213281473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21606641736 + 21606641737.

It is an arithmetic number, because the mean of its divisors is an integer number (21606641737).

Almost surely, 2^43213283473 is an apocalyptic number.

It is an amenable number.

43213283473 is a deficient number, since it is larger than the sum of its proper divisors (1).

43213283473 is an equidigital number, since it uses as much as digits as its factorization.

43213283473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 40.

The spelling of 43213283473 in words is "forty-three billion, two hundred thirteen million, two hundred eighty-three thousand, four hundred seventy-three".