47450565427 has 4 divisors (see below), whose sum is σ = 50241775176. Its totient is φ = 44659355680.

The previous prime is 47450565413. The next prime is 47450565473. The reversal of 47450565427 is 72456505474.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47450565427 - 2²³ = 47442176819 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47450565527) 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, 1395604849 + ... + 1395604882.

It is an arithmetic number, because the mean of its divisors is an integer number (12560443794).

Almost surely, 2^47450565427 is an apocalyptic number.

47450565427 is a deficient number, since it is larger than the sum of its proper divisors (2791209749).

47450565427 is a wasteful number, since it uses less digits than its factorization.

47450565427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2791209748.

The product of its (nonzero) digits is 4704000, while the sum is 49.

The spelling of 47450565427 in words is "forty-seven billion, four hundred fifty million, five hundred sixty-five thousand, four hundred twenty-seven".