2658213868 has 12 divisors (see below), whose sum is σ = 4854129840. Its totient is φ = 1271319632.

The previous prime is 2658213841. The next prime is 2658213871. The reversal of 2658213868 is 8683128562.

It is a super-2 number, since 2×2658213868² = 14132201936055042848, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14446723 + ... + 14446906.

It is an arithmetic number, because the mean of its divisors is an integer number (404510820).

Almost surely, 2^2658213868 is an apocalyptic number.

It is an amenable number.

2658213868 is a deficient number, since it is larger than the sum of its proper divisors (2195915972).

2658213868 is a wasteful number, since it uses less digits than its factorization.

2658213868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28893656 (or 28893654 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 49.

The square root of 2658213868 is about 51557.8691181084. The cubic root of 2658213868 is about 1385.2557870139.

The spelling of 2658213868 in words is "two billion, six hundred fifty-eight million, two hundred thirteen thousand, eight hundred sixty-eight".