43407771551 has 2 divisors, whose sum is σ = 43407771552. Its totient is φ = 43407771550.

The previous prime is 43407771541. The next prime is 43407771553. The reversal of 43407771551 is 15517770434.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43407771551 - 2³⁴ = 26227902367 is a prime.

Together with 43407771553, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43407771553) 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, 21703885775 + 21703885776.

It is an arithmetic number, because the mean of its divisors is an integer number (21703885776).

Almost surely, 2^43407771551 is an apocalyptic number.

43407771551 is a deficient number, since it is larger than the sum of its proper divisors (1).

43407771551 is an equidigital number, since it uses as much as digits as its factorization.

43407771551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 411600, while the sum is 44.

The spelling of 43407771551 in words is "forty-three billion, four hundred seven million, seven hundred seventy-one thousand, five hundred fifty-one".