42547073519 has 2 divisors, whose sum is σ = 42547073520. Its totient is φ = 42547073518.

The previous prime is 42547073509. The next prime is 42547073563. The reversal of 42547073519 is 91537074524.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42547073519 - 2²⁰ = 42546024943 is a prime.

It is a super-2 number, since 2×42547073519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42547073509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21273536759 + 21273536760.

It is an arithmetic number, because the mean of its divisors is an integer number (21273536760).

Almost surely, 2^42547073519 is an apocalyptic number.

42547073519 is a deficient number, since it is larger than the sum of its proper divisors (1).

42547073519 is an equidigital number, since it uses as much as digits as its factorization.

42547073519 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 42547073519 in words is "forty-two billion, five hundred forty-seven million, seventy-three thousand, five hundred nineteen".