45441538947 has 32 divisors (see below), whose sum is σ = 77210012160. Its totient is φ = 25874808480.

The previous prime is 45441538871. The next prime is 45441538973. The reversal of 45441538947 is 74983514454.

45441538947 is a `hidden beast` number, since 4 + 544 + 1 + 5 + 3 + 8 + 94 + 7 = 666.

It is not a de Polignac number, because 45441538947 - 2¹⁰ = 45441537923 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 45441538893 and 45441538902.

It is not an unprimeable number, because it can be changed into a prime (45441538997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 371304 + ... + 478277.

It is an arithmetic number, because the mean of its divisors is an integer number (2412812880).

Almost surely, 2^45441538947 is an apocalyptic number.

45441538947 is a deficient number, since it is larger than the sum of its proper divisors (31768473213).

45441538947 is a wasteful number, since it uses less digits than its factorization.

45441538947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 849880 (or 849874 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 45441538947 in words is "forty-five billion, four hundred forty-one million, five hundred thirty-eight thousand, nine hundred forty-seven".