43520095477 has 2 divisors, whose sum is σ = 43520095478. Its totient is φ = 43520095476.

The previous prime is 43520095427. The next prime is 43520095543. The reversal of 43520095477 is 77459002534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39855730321 + 3664365156 = 199639^2 + 60534^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-43520095477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (43520095427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21760047738 + 21760047739.

It is an arithmetic number, because the mean of its divisors is an integer number (21760047739).

Almost surely, 2^43520095477 is an apocalyptic number.

It is an amenable number.

43520095477 is a deficient number, since it is larger than the sum of its proper divisors (1).

43520095477 is an equidigital number, since it uses as much as digits as its factorization.

43520095477 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 46.

The spelling of 43520095477 in words is "forty-three billion, five hundred twenty million, ninety-five thousand, four hundred seventy-seven".