47671045849 has 16 divisors (see below), whose sum is σ = 55379380608. Its totient is φ = 40189133952.

The previous prime is 47671045823. The next prime is 47671045861. The reversal of 47671045849 is 94854017674.

It is a cyclic number.

It is not a de Polignac number, because 47671045849 - 2¹⁷ = 47670914777 is a prime.

It is a super-2 number, since 2×47671045849² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47671045849.

It is not an unprimeable number, because it can be changed into a prime (47671045879) 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, 228429 + ... + 384085.

It is an arithmetic number, because the mean of its divisors is an integer number (3461211288).

Almost surely, 2^47671045849 is an apocalyptic number.

It is an amenable number.

47671045849 is a deficient number, since it is larger than the sum of its proper divisors (7708334759).

47671045849 is a wasteful number, since it uses less digits than its factorization.

47671045849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156384.

The product of its (nonzero) digits is 6773760, while the sum is 55.

The spelling of 47671045849 in words is "forty-seven billion, six hundred seventy-one million, forty-five thousand, eight hundred forty-nine".