42686615489 has 8 divisors (see below), whose sum is σ = 48785957760. Its totient is φ = 36587586816.

The previous prime is 42686615471. The next prime is 42686615513. The reversal of 42686615489 is 98451668624.

It is a happy number.

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 42686615489 - 2³² = 38391648193 is a prime.

It is a super-3 number, since 3×42686615489³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42686615429) 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, 457697 + ... + 543009.

It is an arithmetic number, because the mean of its divisors is an integer number (6098244720).

Almost surely, 2^42686615489 is an apocalyptic number.

It is an amenable number.

42686615489 is a deficient number, since it is larger than the sum of its proper divisors (6099342271).

42686615489 is an equidigital number, since it uses as much as digits as its factorization.

42686615489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156799.

The product of its digits is 19906560, while the sum is 59.

The spelling of 42686615489 in words is "forty-two billion, six hundred eighty-six million, six hundred fifteen thousand, four hundred eighty-nine".