2330278861 has 2 divisors, whose sum is σ = 2330278862. Its totient is φ = 2330278860.

The previous prime is 2330278837. The next prime is 2330278871. The reversal of 2330278861 is 1688720332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1663089961 + 667188900 = 40781^2 + 25830^2 .

It is a cyclic number.

It is not a de Polignac number, because 2330278861 - 2⁷ = 2330278733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2330278801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165139430 + 1165139431.

It is an arithmetic number, because the mean of its divisors is an integer number (1165139431).

Almost surely, 2^2330278861 is an apocalyptic number.

It is an amenable number.

2330278861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2330278861 is an equidigital number, since it uses as much as digits as its factorization.

2330278861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 2330278861 is about 48272.9620077327. The cubic root of 2330278861 is about 1325.7733918028.

The spelling of 2330278861 in words is "two billion, three hundred thirty million, two hundred seventy-eight thousand, eight hundred sixty-one".