42722688990859 has 2 divisors, whose sum is σ = 42722688990860. Its totient is φ = 42722688990858.

The previous prime is 42722688990847. The next prime is 42722688990881. The reversal of 42722688990859 is 95809988622724.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42722688990859 - 2³⁷ = 42585250037387 is a prime.

It is not a weakly prime, because it can be changed into another prime (42722688960859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21361344495429 + 21361344495430.

It is an arithmetic number, because the mean of its divisors is an integer number (21361344495430).

Almost surely, 2^{42722688990859} is an apocalyptic number.

42722688990859 is a deficient number, since it is larger than the sum of its proper divisors (1).

42722688990859 is an equidigital number, since it uses as much as digits as its factorization.

42722688990859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2508226560, while the sum is 79.

The spelling of 42722688990859 in words is "forty-two trillion, seven hundred twenty-two billion, six hundred eighty-eight million, nine hundred ninety thousand, eight hundred fifty-nine".