47513605427 has 4 divisors (see below), whose sum is σ = 47585705640. Its totient is φ = 47441505216.

The previous prime is 47513605421. The next prime is 47513605429. The reversal of 47513605427 is 72450631574.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72450631574 = 2 ⋅36225315787.

It is a cyclic number.

It is not a de Polignac number, because 47513605427 - 2³² = 43218638131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47513605421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36049118 + ... + 36050435.

It is an arithmetic number, because the mean of its divisors is an integer number (11896426410).

Almost surely, 2^47513605427 is an apocalyptic number.

47513605427 is a deficient number, since it is larger than the sum of its proper divisors (72100213).

47513605427 is an equidigital number, since it uses as much as digits as its factorization.

47513605427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72100212.

The product of its (nonzero) digits is 705600, while the sum is 44.

The spelling of 47513605427 in words is "forty-seven billion, five hundred thirteen million, six hundred five thousand, four hundred twenty-seven".