4313898781 has 2 divisors, whose sum is σ = 4313898782. Its totient is φ = 4313898780.

The previous prime is 4313898779. The next prime is 4313898829. The reversal of 4313898781 is 1878983134.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3736265625 + 577633156 = 61125^2 + 24034^2 .

It is a cyclic number.

It is not a de Polignac number, because 4313898781 - 2¹ = 4313898779 is a prime.

It is a super-2 number, since 2×4313898781² = 37219445385426571922, which contains 22 as substring.

Together with 4313898779, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4313898731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156949390 + 2156949391.

It is an arithmetic number, because the mean of its divisors is an integer number (2156949391).

Almost surely, 2^4313898781 is an apocalyptic number.

It is an amenable number.

4313898781 is a deficient number, since it is larger than the sum of its proper divisors (1).

4313898781 is an equidigital number, since it uses as much as digits as its factorization.

4313898781 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1161216, while the sum is 52.

The square root of 4313898781 is about 65680.2769558716. The cubic root of 4313898781 is about 1627.8834838897.

The spelling of 4313898781 in words is "four billion, three hundred thirteen million, eight hundred ninety-eight thousand, seven hundred eighty-one".