47849006747 has 4 divisors (see below), whose sum is σ = 47856183960. Its totient is φ = 47841829536.

The previous prime is 47849006729. The next prime is 47849006749. The reversal of 47849006747 is 74760094874.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 47849006747 - 2¹² = 47849002651 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 47849006692 and 47849006701.

It is not an unprimeable number, because it can be changed into a prime (47849006749) 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, 3578597 + ... + 3591942.

It is an arithmetic number, because the mean of its divisors is an integer number (11964045990).

Almost surely, 2^47849006747 is an apocalyptic number.

47849006747 is a deficient number, since it is larger than the sum of its proper divisors (7177213).

47849006747 is an equidigital number, since it uses as much as digits as its factorization.

47849006747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7177212.

The product of its (nonzero) digits is 9483264, while the sum is 56.

The spelling of 47849006747 in words is "forty-seven billion, eight hundred forty-nine million, six thousand, seven hundred forty-seven".