42731758799 has 2 divisors, whose sum is σ = 42731758800. Its totient is φ = 42731758798.

The previous prime is 42731758777. The next prime is 42731758859. The reversal of 42731758799 is 99785713724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42731758799 - 2⁸ = 42731758543 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42731755799) 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, 21365879399 + 21365879400.

It is an arithmetic number, because the mean of its divisors is an integer number (21365879400).

Almost surely, 2^42731758799 is an apocalyptic number.

42731758799 is a deficient number, since it is larger than the sum of its proper divisors (1).

42731758799 is an equidigital number, since it uses as much as digits as its factorization.

42731758799 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 26671680, while the sum is 62.

The spelling of 42731758799 in words is "forty-two billion, seven hundred thirty-one million, seven hundred fifty-eight thousand, seven hundred ninety-nine".