18976352347 has 2 divisors, whose sum is σ = 18976352348. Its totient is φ = 18976352346.

The previous prime is 18976352341. The next prime is 18976352363. The reversal of 18976352347 is 74325367981.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18976352347 is a prime.

It is not a weakly prime, because it can be changed into another prime (18976352341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9488176173 + 9488176174.

It is an arithmetic number, because the mean of its divisors is an integer number (9488176174).

Almost surely, 2^18976352347 is an apocalyptic number.

18976352347 is a deficient number, since it is larger than the sum of its proper divisors (1).

18976352347 is an equidigital number, since it uses as much as digits as its factorization.

18976352347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7620480, while the sum is 55.

The spelling of 18976352347 in words is "eighteen billion, nine hundred seventy-six million, three hundred fifty-two thousand, three hundred forty-seven".