478699313663 has 2 divisors, whose sum is σ = 478699313664. Its totient is φ = 478699313662.

The previous prime is 478699313641. The next prime is 478699313671. The reversal of 478699313663 is 366313996874.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 478699313663 - 2¹⁶ = 478699248127 is a prime.

It is a super-4 number, since 4×478699313663⁴ (a number of 48 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 478699313663.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (478699313263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 239349656831 + 239349656832.

It is an arithmetic number, because the mean of its divisors is an integer number (239349656832).

Almost surely, 2^478699313663 is an apocalyptic number.

478699313663 is a deficient number, since it is larger than the sum of its proper divisors (1).

478699313663 is an equidigital number, since it uses as much as digits as its factorization.

478699313663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105815808, while the sum is 65.

The spelling of 478699313663 in words is "four hundred seventy-eight billion, six hundred ninety-nine million, three hundred thirteen thousand, six hundred sixty-three".