47451518547412 has 24 divisors (see below), whose sum is σ = 94930553390400. Its totient is φ = 20330468742720.

The previous prime is 47451518547409. The next prime is 47451518547451. The reversal of 47451518547412 is 21474581515474.

It is a super-2 number, since 2×47451518547412² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245582914 + ... + 245776057.

It is an arithmetic number, because the mean of its divisors is an integer number (3955439724600).

Almost surely, 2^{47451518547412} is an apocalyptic number.

It is an amenable number.

47451518547412 is an abundant number, since it is smaller than the sum of its proper divisors (47479034842988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47451518547412 is a wasteful number, since it uses less digits than its factorization.

47451518547412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491362431 (or 491362429 counting only the distinct ones).

The product of its digits is 25088000, while the sum is 58.

The spelling of 47451518547412 in words is "forty-seven trillion, four hundred fifty-one billion, five hundred eighteen million, five hundred forty-seven thousand, four hundred twelve".