647155080463 has 2 divisors, whose sum is σ = 647155080464. Its totient is φ = 647155080462.

The previous prime is 647155080431. The next prime is 647155080491. The reversal of 647155080463 is 364080551746.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 647155080463 - 2⁵ = 647155080431 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (647155080263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 323577540231 + 323577540232.

It is an arithmetic number, because the mean of its divisors is an integer number (323577540232).

Almost surely, 2^647155080463 is an apocalyptic number.

647155080463 is a deficient number, since it is larger than the sum of its proper divisors (1).

647155080463 is an equidigital number, since it uses as much as digits as its factorization.

647155080463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 647155080463 in words is "six hundred forty-seven billion, one hundred fifty-five million, eighty thousand, four hundred sixty-three".