42722920039 has 2 divisors, whose sum is σ = 42722920040. Its totient is φ = 42722920038.

The previous prime is 42722919983. The next prime is 42722920061. The reversal of 42722920039 is 93002922724.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42722920039 - 2⁹ = 42722919527 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42722919983 and 42722920010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42722926039) 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, 21361460019 + 21361460020.

It is an arithmetic number, because the mean of its divisors is an integer number (21361460020).

Almost surely, 2^42722920039 is an apocalyptic number.

42722920039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42722920039 is an equidigital number, since it uses as much as digits as its factorization.

42722920039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 42722920039 in words is "forty-two billion, seven hundred twenty-two million, nine hundred twenty thousand, thirty-nine".