2258346861 has 36 divisors (see below), whose sum is σ = 3475809792. Its totient is φ = 1412678784.

The previous prime is 2258346833. The next prime is 2258346889. The reversal of 2258346861 is 1686438522.

2258346861 is a `hidden beast` number, since 2 + 2 + 583 + 4 + 6 + 8 + 61 = 666.

It is an interprime number because it is at equal distance from previous prime (2258346833) and next prime (2258346889).

It is not a de Polignac number, because 2258346861 - 2²³ = 2249958253 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2258346361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 995050 + ... + 997316.

It is an arithmetic number, because the mean of its divisors is an integer number (96550272).

Almost surely, 2^2258346861 is an apocalyptic number.

It is an amenable number.

2258346861 is a deficient number, since it is larger than the sum of its proper divisors (1217462931).

2258346861 is a wasteful number, since it uses less digits than its factorization.

2258346861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690 (or 2670 counting only the distinct ones).

The product of its digits is 552960, while the sum is 45.

The square root of 2258346861 is about 47522.0670951927. The cubic root of 2258346861 is about 1311.9890652361.

The spelling of 2258346861 in words is "two billion, two hundred fifty-eight million, three hundred forty-six thousand, eight hundred sixty-one".