47280032781913 has 8 divisors (see below), whose sum is σ = 50047829409600. Its totient is φ = 44588066198928.

The previous prime is 47280032781907. The next prime is 47280032781931. The reversal of 47280032781913 is 31918723008274.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47280032781913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47280032781013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18957509893 + ... + 18957512386.

It is an arithmetic number, because the mean of its divisors is an integer number (6255978676200).

Almost surely, 2^{47280032781913} is an apocalyptic number.

47280032781913 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

It is an amenable number.

47280032781913 is a deficient number, since it is larger than the sum of its proper divisors (2767796627687).

47280032781913 is a wasteful number, since it uses less digits than its factorization.

47280032781913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37915022351.

The product of its (nonzero) digits is 4064256, while the sum is 55.

The spelling of 47280032781913 in words is "forty-seven trillion, two hundred eighty billion, thirty-two million, seven hundred eighty-one thousand, nine hundred thirteen".