47348731393 has 4 divisors (see below), whose sum is σ = 47350484928. Its totient is φ = 47346977860.

The previous prime is 47348731373. The next prime is 47348731457. The reversal of 47348731393 is 39313784374.

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 47348731393 - 2²¹ = 47346634241 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47348731393.

It is not an unprimeable number, because it can be changed into a prime (47348731373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 835621 + ... + 890482.

It is an arithmetic number, because the mean of its divisors is an integer number (11837621232).

Almost surely, 2^47348731393 is an apocalyptic number.

It is an amenable number.

47348731393 is a deficient number, since it is larger than the sum of its proper divisors (1753535).

47348731393 is a wasteful number, since it uses less digits than its factorization.

47348731393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753534.

The product of its digits is 4572288, while the sum is 52.

The spelling of 47348731393 in words is "forty-seven billion, three hundred forty-eight million, seven hundred thirty-one thousand, three hundred ninety-three".