42463115809 has 8 divisors (see below), whose sum is σ = 42591285000. Its totient is φ = 42335096832.

The previous prime is 42463115777. The next prime is 42463115813. The reversal of 42463115809 is 90851136424.

It can be written as a sum of positive squares in 4 ways, for example, as 2444313600 + 40018802209 = 49440^2 + 200047^2 .

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 42463115809 - 2⁵ = 42463115777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42463115839) 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, 542077 + ... + 615445.

It is an arithmetic number, because the mean of its divisors is an integer number (5323910625).

Almost surely, 2^42463115809 is an apocalyptic number.

It is an amenable number.

42463115809 is a deficient number, since it is larger than the sum of its proper divisors (128169191).

42463115809 is a wasteful number, since it uses less digits than its factorization.

42463115809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75107.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 42463115809 in words is "forty-two billion, four hundred sixty-three million, one hundred fifteen thousand, eight hundred nine".