6610979047 has 4 divisors (see below), whose sum is σ = 6618954520. Its totient is φ = 6603003576.

The previous prime is 6610979027. The next prime is 6610979077. The reversal of 6610979047 is 7409790166.

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-6610979047 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6610979027) 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, 3986493 + ... + 3988150.

It is an arithmetic number, because the mean of its divisors is an integer number (1654738630).

Almost surely, 2^6610979047 is an apocalyptic number.

6610979047 is a deficient number, since it is larger than the sum of its proper divisors (7975473).

6610979047 is an equidigital number, since it uses as much as digits as its factorization.

6610979047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975472.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 6610979047 is about 81307.9273318414. The cubic root of 6610979047 is about 1876.8169927371.

The spelling of 6610979047 in words is "six billion, six hundred ten million, nine hundred seventy-nine thousand, forty-seven".