43740474671 has 2 divisors, whose sum is σ = 43740474672. Its totient is φ = 43740474670.

The previous prime is 43740474637. The next prime is 43740474697. The reversal of 43740474671 is 17647404734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43740474671 - 2⁶ = 43740474607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43740414671) 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, 21870237335 + 21870237336.

It is an arithmetic number, because the mean of its divisors is an integer number (21870237336).

Almost surely, 2^43740474671 is an apocalyptic number.

43740474671 is a deficient number, since it is larger than the sum of its proper divisors (1).

43740474671 is an equidigital number, since it uses as much as digits as its factorization.

43740474671 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 43740474671 in words is "forty-three billion, seven hundred forty million, four hundred seventy-four thousand, six hundred seventy-one".