4313778289 has 2 divisors, whose sum is σ = 4313778290. Its totient is φ = 4313778288.

The previous prime is 4313778263. The next prime is 4313778341. The reversal of 4313778289 is 9828773134.

It is an a-pointer prime, because the next prime (4313778341) can be obtained adding 4313778289 to its sum of digits (52).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2705768289 + 1608010000 = 52017^2 + 40100^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313778289 - 2⁵ = 4313778257 is a prime.

It is not a weakly prime, because it can be changed into another prime (4313778389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156889144 + 2156889145.

It is an arithmetic number, because the mean of its divisors is an integer number (2156889145).

Almost surely, 2^4313778289 is an apocalyptic number.

It is an amenable number.

4313778289 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313778289 is an equidigital number, since it uses as much as digits as its factorization.

4313778289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 52.

The square root of 4313778289 is about 65679.3596878045. The cubic root of 4313778289 is about 1627.8683275487.

The spelling of 4313778289 in words is "four billion, three hundred thirteen million, seven hundred seventy-eight thousand, two hundred eighty-nine".