42452455139 has 2 divisors, whose sum is σ = 42452455140. Its totient is φ = 42452455138.

The previous prime is 42452455109. The next prime is 42452455159. The reversal of 42452455139 is 93155425424.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42452455139 - 2³² = 38157487843 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42452455139.

It is not a weakly prime, because it can be changed into another prime (42452455109) 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, 21226227569 + 21226227570.

It is an arithmetic number, because the mean of its divisors is an integer number (21226227570).

Almost surely, 2^42452455139 is an apocalyptic number.

42452455139 is a deficient number, since it is larger than the sum of its proper divisors (1).

42452455139 is an equidigital number, since it uses as much as digits as its factorization.

42452455139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864000, while the sum is 44.

The spelling of 42452455139 in words is "forty-two billion, four hundred fifty-two million, four hundred fifty-five thousand, one hundred thirty-nine".