4345469861 has 2 divisors, whose sum is σ = 4345469862. Its totient is φ = 4345469860.

The previous prime is 4345469771. The next prime is 4345469867. The reversal of 4345469861 is 1689645434.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3534302500 + 811167361 = 59450^2 + 28481^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4345469861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4345469867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2172734930 + 2172734931.

It is an arithmetic number, because the mean of its divisors is an integer number (2172734931).

Almost surely, 2^4345469861 is an apocalyptic number.

It is an amenable number.

4345469861 is a deficient number, since it is larger than the sum of its proper divisors (1).

4345469861 is an equidigital number, since it uses as much as digits as its factorization.

4345469861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2488320, while the sum is 50.

The square root of 4345469861 is about 65920.1779503059. The cubic root of 4345469861 is about 1631.8450334892.

The spelling of 4345469861 in words is "four billion, three hundred forty-five million, four hundred sixty-nine thousand, eight hundred sixty-one".