47497968793 has 4 divisors (see below), whose sum is σ = 51815965968. Its totient is φ = 43179971620.

The previous prime is 47497968761. The next prime is 47497968803. The reversal of 47497968793 is 39786979474.

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 47497968793 - 2⁵ = 47497968761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47497968493) 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, 2158998571 + ... + 2158998592.

It is an arithmetic number, because the mean of its divisors is an integer number (12953991492).

Almost surely, 2^47497968793 is an apocalyptic number.

It is an amenable number.

47497968793 is a deficient number, since it is larger than the sum of its proper divisors (4317997175).

47497968793 is a wasteful number, since it uses less digits than its factorization.

47497968793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4317997174.

The product of its digits is 576108288, while the sum is 73.

The spelling of 47497968793 in words is "forty-seven billion, four hundred ninety-seven million, nine hundred sixty-eight thousand, seven hundred ninety-three".