47481751193 has 4 divisors (see below), whose sum is σ = 47492867508. Its totient is φ = 47470634880.

The previous prime is 47481751171. The next prime is 47481751199. The reversal of 47481751193 is 39115718474.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 15622000144 + 31859751049 = 124988^2 + 178493^2 .

It is a cyclic number.

It is not a de Polignac number, because 47481751193 - 2¹⁸ = 47481489049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47481751199) 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, 5551748 + ... + 5560293.

It is an arithmetic number, because the mean of its divisors is an integer number (11873216877).

Almost surely, 2^47481751193 is an apocalyptic number.

It is an amenable number.

47481751193 is a deficient number, since it is larger than the sum of its proper divisors (11116315).

47481751193 is a wasteful number, since it uses less digits than its factorization.

47481751193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11116314.

The product of its digits is 846720, while the sum is 50.

The spelling of 47481751193 in words is "forty-seven billion, four hundred eighty-one million, seven hundred fifty-one thousand, one hundred ninety-three".