43534922857 has 2 divisors, whose sum is σ = 43534922858. Its totient is φ = 43534922856.

The previous prime is 43534922807. The next prime is 43534922897. The reversal of 43534922857 is 75822943534.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 43523973376 + 10949481 = 208624^2 + 3309^2 .

It is a cyclic number.

It is not a de Polignac number, because 43534922857 - 2¹¹ = 43534920809 is a prime.

It is not a weakly prime, because it can be changed into another prime (43534922807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21767461428 + 21767461429.

It is an arithmetic number, because the mean of its divisors is an integer number (21767461429).

Almost surely, 2^43534922857 is an apocalyptic number.

It is an amenable number.

43534922857 is a deficient number, since it is larger than the sum of its proper divisors (1).

43534922857 is an equidigital number, since it uses as much as digits as its factorization.

43534922857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7257600, while the sum is 52.

The spelling of 43534922857 in words is "forty-three billion, five hundred thirty-four million, nine hundred twenty-two thousand, eight hundred fifty-seven".