4678194907 has 2 divisors, whose sum is σ = 4678194908. Its totient is φ = 4678194906.

The previous prime is 4678194889. The next prime is 4678194919. The reversal of 4678194907 is 7094918764.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4678194907 - 2³¹ = 2530711259 is a prime.

It is not a weakly prime, because it can be changed into another prime (4678194107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2339097453 + 2339097454.

It is an arithmetic number, because the mean of its divisors is an integer number (2339097454).

Almost surely, 2^4678194907 is an apocalyptic number.

4678194907 is a deficient number, since it is larger than the sum of its proper divisors (1).

4678194907 is an equidigital number, since it uses as much as digits as its factorization.

4678194907 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The square root of 4678194907 is about 68397.3311394531. The cubic root of 4678194907 is about 1672.4742397031.

The spelling of 4678194907 in words is "four billion, six hundred seventy-eight million, one hundred ninety-four thousand, nine hundred seven".