47975915329 has 4 divisors (see below), whose sum is σ = 47976385984. Its totient is φ = 47975444676.

The previous prime is 47975915321. The next prime is 47975915333. The reversal of 47975915329 is 92351957974.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 47975915329 - 2³ = 47975915321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47975915321) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 11397 + ... + 309970.

It is an arithmetic number, because the mean of its divisors is an integer number (11994096496).

Almost surely, 2^47975915329 is an apocalyptic number.

It is an amenable number.

47975915329 is a deficient number, since it is larger than the sum of its proper divisors (470655).

47975915329 is a wasteful number, since it uses less digits than its factorization.

47975915329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470654.

The product of its digits is 21432600, while the sum is 61.

The spelling of 47975915329 in words is "forty-seven billion, nine hundred seventy-five million, nine hundred fifteen thousand, three hundred twenty-nine".