5661334947 has 8 divisors (see below), whose sum is σ = 7556176656. Its totient is φ = 3770358272.

The previous prime is 5661334937. The next prime is 5661334949. The reversal of 5661334947 is 7494331665.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5661334947 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5661334896 and 5661334905.

It is not an unprimeable number, because it can be changed into a prime (5661334949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 962838 + ... + 968699.

It is an arithmetic number, because the mean of its divisors is an integer number (944522082).

Almost surely, 2^5661334947 is an apocalyptic number.

5661334947 is a deficient number, since it is larger than the sum of its proper divisors (1894841709).

5661334947 is a wasteful number, since it uses less digits than its factorization.

5661334947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1932517.

The product of its digits is 1632960, while the sum is 48.

The square root of 5661334947 is about 75241.8430595636. The cubic root of 5661334947 is about 1782.2677558842.

The spelling of 5661334947 in words is "five billion, six hundred sixty-one million, three hundred thirty-four thousand, nine hundred forty-seven".