47418438825 has 120 divisors (see below), whose sum is σ = 90023909976. Its totient is φ = 24665472000.

The previous prime is 47418438811. The next prime is 47418438839. The reversal of 47418438825 is 52883481474.

It is an interprime number because it is at equal distance from previous prime (47418438811) and next prime (47418438839).

It can be written as a sum of positive squares in 12 ways, for example, as 33356273769 + 14062165056 = 182637^2 + 118584^2 .

It is not a de Polignac number, because 47418438825 - 2¹⁸ = 47418176681 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 19424605 + ... + 19427045.

Almost surely, 2^47418438825 is an apocalyptic number.

47418438825 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47418438825 is a deficient number, since it is larger than the sum of its proper divisors (42605471151).

47418438825 is a wasteful number, since it uses less digits than its factorization.

47418438825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697 (or 2683 counting only the distinct ones).

The product of its digits is 6881280, while the sum is 54.

The spelling of 47418438825 in words is "forty-seven billion, four hundred eighteen million, four hundred thirty-eight thousand, eight hundred twenty-five".