306143345476063 has 2 divisors, whose sum is σ = 306143345476064. Its totient is φ = 306143345476062.

The previous prime is 306143345476061. The next prime is 306143345476097. The reversal of 306143345476063 is 360674543341603.

It is a weak prime.

It is an emirp because it is prime and its reverse (360674543341603) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 306143345476063 - 2¹ = 306143345476061 is a prime.

Together with 306143345476061, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 306143345475995 and 306143345476013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (306143345476061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153071672738031 + 153071672738032.

It is an arithmetic number, because the mean of its divisors is an integer number (153071672738032).

Almost surely, 2^{306143345476063} is an apocalyptic number.

306143345476063 is a deficient number, since it is larger than the sum of its proper divisors (1).

306143345476063 is an equidigital number, since it uses as much as digits as its factorization.

306143345476063 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 39191040, while the sum is 55.

The spelling of 306143345476063 in words is "three hundred six trillion, one hundred forty-three billion, three hundred forty-five million, four hundred seventy-six thousand, sixty-three".