47019848891 has 16 divisors (see below), whose sum is σ = 49632925440. Its totient is φ = 44420801760.

The previous prime is 47019848833. The next prime is 47019848917. The reversal of 47019848891 is 19884891074.

It is a cyclic number.

It is not a de Polignac number, because 47019848891 - 2¹⁰ = 47019847867 is a prime.

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 47019848891.

It is not an unprimeable number, because it can be changed into a prime (47019848801) 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, 12593861 + ... + 12597593.

It is an arithmetic number, because the mean of its divisors is an integer number (3102057840).

Almost surely, 2^47019848891 is an apocalyptic number.

47019848891 is a deficient number, since it is larger than the sum of its proper divisors (2613076549).

47019848891 is a wasteful number, since it uses less digits than its factorization.

47019848891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5426.

The product of its (nonzero) digits is 4644864, while the sum is 59.

The spelling of 47019848891 in words is "forty-seven billion, nineteen million, eight hundred forty-eight thousand, eight hundred ninety-one".