47352505281 has 4 divisors (see below), whose sum is σ = 63136673712. Its totient is φ = 31568336852.

The previous prime is 47352505253. The next prime is 47352505297. The reversal of 47352505281 is 18250525374.

47352505281 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47352505281 - 2⁷ = 47352505153 is a prime.

It is a super-2 number, since 2×47352505281² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (47352505481) 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, 7892084211 + ... + 7892084216.

It is an arithmetic number, because the mean of its divisors is an integer number (15784168428).

Almost surely, 2^47352505281 is an apocalyptic number.

It is an amenable number.

47352505281 is a deficient number, since it is larger than the sum of its proper divisors (15784168431).

47352505281 is a wasteful number, since it uses less digits than its factorization.

47352505281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15784168430.

The product of its (nonzero) digits is 336000, while the sum is 42.

The spelling of 47352505281 in words is "forty-seven billion, three hundred fifty-two million, five hundred five thousand, two hundred eighty-one".