47439909611 has 4 divisors (see below), whose sum is σ = 48108077424. Its totient is φ = 46771741800.

The previous prime is 47439909571. The next prime is 47439909619. The reversal of 47439909611 is 11690993474.

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 47439909611 - 2⁶ = 47439909547 is a prime.

It is a super-3 number, since 3×47439909611³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47439909619) 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, 334083800 + ... + 334083941.

It is an arithmetic number, because the mean of its divisors is an integer number (12027019356).

Almost surely, 2^47439909611 is an apocalyptic number.

47439909611 is a deficient number, since it is larger than the sum of its proper divisors (668167813).

47439909611 is an equidigital number, since it uses as much as digits as its factorization.

47439909611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 668167812.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 47439909611 in words is "forty-seven billion, four hundred thirty-nine million, nine hundred nine thousand, six hundred eleven".