47109817449 has 12 divisors (see below), whose sum is σ = 68389464000. Its totient is φ = 31248721944.

The previous prime is 47109817441. The next prime is 47109817471. The reversal of 47109817449 is 94471890174.

It is not a de Polignac number, because 47109817449 - 2³ = 47109817441 is a prime.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 47109817395 and 47109817404.

It is not an unprimeable number, because it can be changed into a prime (47109817441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13150029 + ... + 13153610.

It is an arithmetic number, because the mean of its divisors is an integer number (5699122000).

Almost surely, 2^47109817449 is an apocalyptic number.

It is an amenable number.

47109817449 is a deficient number, since it is larger than the sum of its proper divisors (21279646551).

47109817449 is a wasteful number, since it uses less digits than its factorization.

47109817449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26303844 (or 26303841 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 47109817449 in words is "forty-seven billion, one hundred nine million, eight hundred seventeen thousand, four hundred forty-nine".