47044243421 has 16 divisors (see below), whose sum is σ = 53960121600. Its totient is φ = 40177392768.

The previous prime is 47044243399. The next prime is 47044243423. The reversal of 47044243421 is 12434244074.

It is a cyclic number.

It is not a de Polignac number, because 47044243421 - 2⁶ = 47044243357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47044243423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2939840 + ... + 2955798.

It is an arithmetic number, because the mean of its divisors is an integer number (3372507600).

Almost surely, 2^47044243421 is an apocalyptic number.

It is an amenable number.

47044243421 is a deficient number, since it is larger than the sum of its proper divisors (6915878179).

47044243421 is a wasteful number, since it uses less digits than its factorization.

47044243421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17468.

The product of its (nonzero) digits is 86016, while the sum is 35.

Adding to 47044243421 its reverse (12434244074), we get a palindrome (59478487495).

The spelling of 47044243421 in words is "forty-seven billion, forty-four million, two hundred forty-three thousand, four hundred twenty-one".