47238755346418 has 4 divisors (see below), whose sum is σ = 70858133019630. Its totient is φ = 23619377673208.

The previous prime is 47238755346413. The next prime is 47238755346443. The reversal of 47238755346418 is 81464355783274.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 25138762016449 + 22099993329969 = 5013857^2 + 4701063^2 .

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (47238755346413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11809688836603 + ... + 11809688836606.

Almost surely, 2^{47238755346418} is an apocalyptic number.

47238755346418 is a deficient number, since it is larger than the sum of its proper divisors (23619377673212).

47238755346418 is a wasteful number, since it uses less digits than its factorization.

47238755346418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23619377673211.

The product of its digits is 541900800, while the sum is 67.

The spelling of 47238755346418 in words is "forty-seven trillion, two hundred thirty-eight billion, seven hundred fifty-five million, three hundred forty-six thousand, four hundred eighteen".