2118771474 has 24 divisors (see below), whose sum is σ = 4264020432. Its totient is φ = 701871480.

The previous prime is 2118771463. The next prime is 2118771511. The reversal of 2118771474 is 4741778112.

2118771474 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×2118771474² = 8978385118072265352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 152769 + ... + 166059.

It is an arithmetic number, because the mean of its divisors is an integer number (177667518).

Almost surely, 2^2118771474 is an apocalyptic number.

2118771474 is an abundant number, since it is smaller than the sum of its proper divisors (2145248958).

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

2118771474 is a wasteful number, since it uses less digits than its factorization.

2118771474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13622 (or 13459 counting only the distinct ones).

The product of its digits is 87808, while the sum is 42.

The square root of 2118771474 is about 46030.1148597307. The cubic root of 2118771474 is about 1284.3834645768.

The spelling of 2118771474 in words is "two billion, one hundred eighteen million, seven hundred seventy-one thousand, four hundred seventy-four".