42722688990799 has 2 divisors, whose sum is σ = 42722688990800. Its totient is φ = 42722688990798.

The previous prime is 42722688990769. The next prime is 42722688990811. The reversal of 42722688990799 is 99709988622724.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42722688990799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42722688990769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361344495399 + 21361344495400.

It is an arithmetic number, because the mean of its divisors is an integer number (21361344495400).

Almost surely, 2^{42722688990799} is an apocalyptic number.

42722688990799 is a deficient number, since it is larger than the sum of its proper divisors (1).

42722688990799 is an equidigital number, since it uses as much as digits as its factorization.

42722688990799 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3950456832, while the sum is 82.

The spelling of 42722688990799 in words is "forty-two trillion, seven hundred twenty-two billion, six hundred eighty-eight million, nine hundred ninety thousand, seven hundred ninety-nine".