4478918664371 has 2 divisors, whose sum is σ = 4478918664372. Its totient is φ = 4478918664370.

The previous prime is 4478918664317. The next prime is 4478918664391. The reversal of 4478918664371 is 1734668198744.

Together with previous prime (4478918664317) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4478918664371 - 2²² = 4478914470067 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (4478918664391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2239459332185 + 2239459332186.

It is an arithmetic number, because the mean of its divisors is an integer number (2239459332186).

Almost surely, 2^{4478918664371} is an apocalyptic number.

4478918664371 is a deficient number, since it is larger than the sum of its proper divisors (1).

4478918664371 is an equidigital number, since it uses as much as digits as its factorization.

4478918664371 is an evil number, because the sum of its binary digits is even.

The product of its digits is 195084288, while the sum is 68.

The spelling of 4478918664371 in words is "four trillion, four hundred seventy-eight billion, nine hundred eighteen million, six hundred sixty-four thousand, three hundred seventy-one".