42547517597 has 8 divisors (see below), whose sum is σ = 45827948544. Its totient is φ = 39268164528.

The previous prime is 42547517563. The next prime is 42547517609. The reversal of 42547517597 is 79571574524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42547517597 - 2¹⁸ = 42547255453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42547517197) 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 in 7 ways as a sum of consecutive naturals, for example, 186533 + ... + 346250.

It is an arithmetic number, because the mean of its divisors is an integer number (5728493568).

Almost surely, 2^42547517597 is an apocalyptic number.

It is an amenable number.

42547517597 is a deficient number, since it is larger than the sum of its proper divisors (3280430947).

42547517597 is a wasteful number, since it uses less digits than its factorization.

42547517597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538939.

The product of its digits is 12348000, while the sum is 56.

The spelling of 42547517597 in words is "forty-two billion, five hundred forty-seven million, five hundred seventeen thousand, five hundred ninety-seven".