547149617563 has 4 divisors (see below), whose sum is σ = 547169829480. Its totient is φ = 547129405648.

The previous prime is 547149617501. The next prime is 547149617617. The reversal of 547149617563 is 365716941745.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-547149617563 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 547149617498 and 547149617507.

It is not an unprimeable number, because it can be changed into a prime (547149612563) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10065298 + ... + 10119511.

It is an arithmetic number, because the mean of its divisors is an integer number (136792457370).

Almost surely, 2^547149617563 is an apocalyptic number.

547149617563 is a deficient number, since it is larger than the sum of its proper divisors (20211917).

547149617563 is a wasteful number, since it uses less digits than its factorization.

547149617563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20211916.

The product of its digits is 19051200, while the sum is 58.

The spelling of 547149617563 in words is "five hundred forty-seven billion, one hundred forty-nine million, six hundred seventeen thousand, five hundred sixty-three".