47147107243 has 4 divisors (see below), whose sum is σ = 49628533960. Its totient is φ = 44665680528.

The previous prime is 47147107207. The next prime is 47147107247. The reversal of 47147107243 is 34270174174.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47147107243 is a prime.

It is a super-2 number, since 2×47147107243² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47147107196 and 47147107205.

It is not an unprimeable number, because it can be changed into a prime (47147107247) 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, 1240713330 + ... + 1240713367.

It is an arithmetic number, because the mean of its divisors is an integer number (12407133490).

Almost surely, 2^47147107243 is an apocalyptic number.

47147107243 is a deficient number, since it is larger than the sum of its proper divisors (2481426717).

47147107243 is a wasteful number, since it uses less digits than its factorization.

47147107243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2481426716.

The product of its (nonzero) digits is 131712, while the sum is 40.

The spelling of 47147107243 in words is "forty-seven billion, one hundred forty-seven million, one hundred seven thousand, two hundred forty-three".