2118869958 has 16 divisors (see below), whose sum is σ = 4242273840. Its totient is φ = 705534336.

The previous prime is 2118869927. The next prime is 2118870001. The reversal of 2118869958 is 8599688112.

It is a junction number, because it is equal to n+sod(n) for n = 2118869898 and 2118869907.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182823 + ... + 194066.

It is an arithmetic number, because the mean of its divisors is an integer number (265142115).

Almost surely, 2^2118869958 is an apocalyptic number.

2118869958 is an abundant number, since it is smaller than the sum of its proper divisors (2123403882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2118869958 is a wasteful number, since it uses less digits than its factorization.

2118869958 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377831.

The product of its digits is 2488320, while the sum is 57.

The square root of 2118869958 is about 46031.1846252082. The cubic root of 2118869958 is about 1284.4033643572.

The spelling of 2118869958 in words is "two billion, one hundred eighteen million, eight hundred sixty-nine thousand, nine hundred fifty-eight".