42504079039 has 2 divisors, whose sum is σ = 42504079040. Its totient is φ = 42504079038.

The previous prime is 42504079027. The next prime is 42504079061. The reversal of 42504079039 is 93097040524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42504079039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42504078986 and 42504079004.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42504079019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21252039519 + 21252039520.

It is an arithmetic number, because the mean of its divisors is an integer number (21252039520).

Almost surely, 2^42504079039 is an apocalyptic number.

42504079039 is a deficient number, since it is larger than the sum of its proper divisors (1).

42504079039 is an equidigital number, since it uses as much as digits as its factorization.

42504079039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 272160, while the sum is 43.

The spelling of 42504079039 in words is "forty-two billion, five hundred four million, seventy-nine thousand, thirty-nine".