47247354664 has 16 divisors (see below), whose sum is σ = 90749492820. Its totient is φ = 23047489920.

The previous prime is 47247354619. The next prime is 47247354673. The reversal of 47247354664 is 46645374274.

It can be written as a sum of positive squares in 2 ways, for example, as 45706164100 + 1541190564 = 213790^2 + 39258^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72023079 + ... + 72023734.

Almost surely, 2^47247354664 is an apocalyptic number.

It is an amenable number.

47247354664 is a deficient number, since it is larger than the sum of its proper divisors (43502138156).

47247354664 is a wasteful number, since it uses less digits than its factorization.

47247354664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144046860 (or 144046856 counting only the distinct ones).

The product of its digits is 13547520, while the sum is 52.

The spelling of 47247354664 in words is "forty-seven billion, two hundred forty-seven million, three hundred fifty-four thousand, six hundred sixty-four".