47171840781374 has 4 divisors (see below), whose sum is σ = 70757761172064. Its totient is φ = 23585920390686.

The previous prime is 47171840781367. The next prime is 47171840781391. The reversal of 47171840781374 is 47318704817174.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11792960195342 + ... + 11792960195345.

It is an arithmetic number, because the mean of its divisors is an integer number (17689440293016).

Almost surely, 2^{47171840781374} is an apocalyptic number.

47171840781374 is a deficient number, since it is larger than the sum of its proper divisors (23585920390690).

47171840781374 is a wasteful number, since it uses less digits than its factorization.

47171840781374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23585920390689.

The product of its (nonzero) digits is 29503488, while the sum is 62.

The spelling of 47171840781374 in words is "forty-seven trillion, one hundred seventy-one billion, eight hundred forty million, seven hundred eighty-one thousand, three hundred seventy-four".