47671071431 has 4 divisors (see below), whose sum is σ = 47693318592. Its totient is φ = 47648824272.

The previous prime is 47671071397. The next prime is 47671071439. The reversal of 47671071431 is 13417017674.

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-47671071431 is a prime.

It is a super-2 number, since 2×47671071431² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671071439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11120366 + ... + 11124651.

It is an arithmetic number, because the mean of its divisors is an integer number (11923329648).

Almost surely, 2^47671071431 is an apocalyptic number.

47671071431 is a deficient number, since it is larger than the sum of its proper divisors (22247161).

47671071431 is a wasteful number, since it uses less digits than its factorization.

47671071431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22247160.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 47671071431 in words is "forty-seven billion, six hundred seventy-one million, seventy-one thousand, four hundred thirty-one".