4691898859 has 2 divisors, whose sum is σ = 4691898860. Its totient is φ = 4691898858.

The previous prime is 4691898839. The next prime is 4691898889. The reversal of 4691898859 is 9588981964.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4691898859 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4691898794 and 4691898803.

It is not a weakly prime, because it can be changed into another prime (4691898839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2345949429 + 2345949430.

It is an arithmetic number, because the mean of its divisors is an integer number (2345949430).

Almost surely, 2^4691898859 is an apocalyptic number.

4691898859 is a deficient number, since it is larger than the sum of its proper divisors (1).

4691898859 is an equidigital number, since it uses as much as digits as its factorization.

4691898859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 67.

The square root of 4691898859 is about 68497.4368790541. The cubic root of 4691898859 is about 1674.1057210720.

The spelling of 4691898859 in words is "four billion, six hundred ninety-one million, eight hundred ninety-eight thousand, eight hundred fifty-nine".