43557095801 has 2 divisors, whose sum is σ = 43557095802. Its totient is φ = 43557095800.

The previous prime is 43557095789. The next prime is 43557095899. The reversal of 43557095801 is 10859075534.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43440563776 + 116532025 = 208424^2 + 10795^2 .

It is a cyclic number.

It is not a de Polignac number, because 43557095801 - 2¹⁴ = 43557079417 is a prime.

It is not a weakly prime, because it can be changed into another prime (43557092801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21778547900 + 21778547901.

It is an arithmetic number, because the mean of its divisors is an integer number (21778547901).

Almost surely, 2^43557095801 is an apocalyptic number.

It is an amenable number.

43557095801 is a deficient number, since it is larger than the sum of its proper divisors (1).

43557095801 is an equidigital number, since it uses as much as digits as its factorization.

43557095801 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756000, while the sum is 47.

The spelling of 43557095801 in words is "forty-three billion, five hundred fifty-seven million, ninety-five thousand, eight hundred one".