66313373047 has 2 divisors, whose sum is σ = 66313373048. Its totient is φ = 66313373046.

The previous prime is 66313373023. The next prime is 66313373053. The reversal of 66313373047 is 74037331366.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-66313373047 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 66313372994 and 66313373012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (66313373447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33156686523 + 33156686524.

It is an arithmetic number, because the mean of its divisors is an integer number (33156686524).

Almost surely, 2^66313373047 is an apocalyptic number.

66313373047 is a deficient number, since it is larger than the sum of its proper divisors (1).

66313373047 is an equidigital number, since it uses as much as digits as its factorization.

66313373047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 43.

The spelling of 66313373047 in words is "sixty-six billion, three hundred thirteen million, three hundred seventy-three thousand, forty-seven".