42618638423559 has 8 divisors (see below), whose sum is σ = 61990746797952. Its totient is φ = 25829477832440.

The previous prime is 42618638423533. The next prime is 42618638423591. The reversal of 42618638423559 is 95532483681624.

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 42618638423559 - 2²³ = 42618630034951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42618638423559.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42618638423059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645736945779 + ... + 645736945844.

It is an arithmetic number, because the mean of its divisors is an integer number (7748843349744).

Almost surely, 2^{42618638423559} is an apocalyptic number.

42618638423559 is a deficient number, since it is larger than the sum of its proper divisors (19372108374393).

42618638423559 is a wasteful number, since it uses less digits than its factorization.

42618638423559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1291473891637.

The product of its digits is 298598400, while the sum is 66.

The spelling of 42618638423559 in words is "forty-two trillion, six hundred eighteen billion, six hundred thirty-eight million, four hundred twenty-three thousand, five hundred fifty-nine".