47754808249 has 4 divisors (see below), whose sum is σ = 48537674020. Its totient is φ = 46971942480.

The previous prime is 47754808247. The next prime is 47754808271. The reversal of 47754808249 is 94280845774.

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 13960604025 + 33794204224 = 118155^2 + 183832^2 .

It is a cyclic number.

It is not a de Polignac number, because 47754808249 - 2¹ = 47754808247 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47754808193 and 47754808202.

It is not an unprimeable number, because it can be changed into a prime (47754808247) 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, 391432794 + ... + 391432915.

It is an arithmetic number, because the mean of its divisors is an integer number (12134418505).

Almost surely, 2^47754808249 is an apocalyptic number.

It is an amenable number.

47754808249 is a deficient number, since it is larger than the sum of its proper divisors (782865771).

47754808249 is an equidigital number, since it uses as much as digits as its factorization.

47754808249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 782865770.

The product of its (nonzero) digits is 18063360, while the sum is 58.

The spelling of 47754808249 in words is "forty-seven billion, seven hundred fifty-four million, eight hundred eight thousand, two hundred forty-nine".