47320464293 has 4 divisors (see below), whose sum is σ = 49377875808. Its totient is φ = 45263052780.

The previous prime is 47320464241. The next prime is 47320464299. The reversal of 47320464293 is 39246402374.

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 a de Polignac number, because none of the positive numbers 2^k-47320464293 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47320464299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1028705723 + ... + 1028705768.

It is an arithmetic number, because the mean of its divisors is an integer number (12344468952).

Almost surely, 2^47320464293 is an apocalyptic number.

It is an amenable number.

47320464293 is a deficient number, since it is larger than the sum of its proper divisors (2057411515).

47320464293 is a wasteful number, since it uses less digits than its factorization.

47320464293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057411514.

The product of its (nonzero) digits is 870912, while the sum is 44.

The spelling of 47320464293 in words is "forty-seven billion, three hundred twenty million, four hundred sixty-four thousand, two hundred ninety-three".