2112791974 has 8 divisors (see below), whose sum is σ = 3221142048. Its totient is φ = 1039077960.

The previous prime is 2112791969. The next prime is 2112791981. The reversal of 2112791974 is 4791972112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2112791974.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8658862 + ... + 8659105.

It is an arithmetic number, because the mean of its divisors is an integer number (402642756).

Almost surely, 2^2112791974 is an apocalyptic number.

2112791974 is a deficient number, since it is larger than the sum of its proper divisors (1108350074).

2112791974 is a wasteful number, since it uses less digits than its factorization.

2112791974 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17318030.

The product of its digits is 63504, while the sum is 43.

The square root of 2112791974 is about 45965.1169257732. The cubic root of 2112791974 is about 1283.1740834083.

The spelling of 2112791974 in words is "two billion, one hundred twelve million, seven hundred ninety-one thousand, nine hundred seventy-four".