2081775418 has 8 divisors (see below), whose sum is σ = 3189102912. Its totient is φ = 1018741116.

The previous prime is 2081775401. The next prime is 2081775419. The reversal of 2081775418 is 8145771802.

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

It is not an unprimeable number, because it can be changed into a prime (2081775419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11073180 + ... + 11073367.

It is an arithmetic number, because the mean of its divisors is an integer number (398637864).

Almost surely, 2^2081775418 is an apocalyptic number.

2081775418 is a deficient number, since it is larger than the sum of its proper divisors (1107327494).

2081775418 is a wasteful number, since it uses less digits than its factorization.

2081775418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22146596.

The product of its (nonzero) digits is 125440, while the sum is 43.

The square root of 2081775418 is about 45626.4771596493. The cubic root of 2081775418 is about 1276.8639492095.

The spelling of 2081775418 in words is "two billion, eighty-one million, seven hundred seventy-five thousand, four hundred eighteen".