47691141973309 has 4 divisors (see below), whose sum is σ = 49764669885216. Its totient is φ = 45617614061404.

The previous prime is 47691141973229. The next prime is 47691141973337. The reversal of 47691141973309 is 90337914119674.

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.

It is a cyclic number.

It is not a de Polignac number, because 47691141973309 - 2¹¹ = 47691141971261 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47691141973009) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1036763955919 + ... + 1036763955964.

It is an arithmetic number, because the mean of its divisors is an integer number (12441167471304).

Almost surely, 2^{47691141973309} is an apocalyptic number.

It is an amenable number.

47691141973309 is a deficient number, since it is larger than the sum of its proper divisors (2073527911907).

47691141973309 is a wasteful number, since it uses less digits than its factorization.

47691141973309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2073527911906.

The product of its (nonzero) digits is 30862944, while the sum is 64.

The spelling of 47691141973309 in words is "forty-seven trillion, six hundred ninety-one billion, one hundred forty-one million, nine hundred seventy-three thousand, three hundred nine".