4694644859 has 2 divisors, whose sum is σ = 4694644860. Its totient is φ = 4694644858.

The previous prime is 4694644807. The next prime is 4694644873. The reversal of 4694644859 is 9584464964.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4694644859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4694644798 and 4694644807.

It is not a weakly prime, because it can be changed into another prime (4694644879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2347322429 + 2347322430.

It is an arithmetic number, because the mean of its divisors is an integer number (2347322430).

Almost surely, 2^4694644859 is an apocalyptic number.

4694644859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4694644859 is an equidigital number, since it uses as much as digits as its factorization.

4694644859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29859840, while the sum is 59.

The square root of 4694644859 is about 68517.4784927175. The cubic root of 4694644859 is about 1674.4322553745.

The spelling of 4694644859 in words is "four billion, six hundred ninety-four million, six hundred forty-four thousand, eight hundred fifty-nine".