47451317146 has 8 divisors (see below), whose sum is σ = 71271003060. Its totient is φ = 23694316128.

The previous prime is 47451317141. The next prime is 47451317161. The reversal of 47451317146 is 64171315474.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42619538025 + 4831779121 = 206445^2 + 69511^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (47451317141) 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, 15669331 + ... + 15672358.

Almost surely, 2^47451317146 is an apocalyptic number.

47451317146 is a deficient number, since it is larger than the sum of its proper divisors (23819685914).

47451317146 is a wasteful number, since it uses less digits than its factorization.

47451317146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31342448.

The product of its digits is 282240, while the sum is 43.

The spelling of 47451317146 in words is "forty-seven billion, four hundred fifty-one million, three hundred seventeen thousand, one hundred forty-six".