42731760899 has 2 divisors, whose sum is σ = 42731760900. Its totient is φ = 42731760898.

The previous prime is 42731760853. The next prime is 42731760923. The reversal of 42731760899 is 99806713724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42731760899 is a prime.

It is not a weakly prime, because it can be changed into another prime (42731760299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365880449 + 21365880450.

It is an arithmetic number, because the mean of its divisors is an integer number (21365880450).

Almost surely, 2^42731760899 is an apocalyptic number.

42731760899 is a deficient number, since it is larger than the sum of its proper divisors (1).

42731760899 is an equidigital number, since it uses as much as digits as its factorization.

42731760899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4572288, while the sum is 56.

The spelling of 42731760899 in words is "forty-two billion, seven hundred thirty-one million, seven hundred sixty thousand, eight hundred ninety-nine".