43274426851 has 2 divisors, whose sum is σ = 43274426852. Its totient is φ = 43274426850.

The previous prime is 43274426821. The next prime is 43274426863. The reversal of 43274426851 is 15862447234.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43274426851 - 2⁹ = 43274426339 is a prime.

It is not a weakly prime, because it can be changed into another prime (43274426821) 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, 21637213425 + 21637213426.

It is an arithmetic number, because the mean of its divisors is an integer number (21637213426).

Almost surely, 2^43274426851 is an apocalyptic number.

43274426851 is a deficient number, since it is larger than the sum of its proper divisors (1).

43274426851 is an equidigital number, since it uses as much as digits as its factorization.

43274426851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1290240, while the sum is 46.

The spelling of 43274426851 in words is "forty-three billion, two hundred seventy-four million, four hundred twenty-six thousand, eight hundred fifty-one".