1853868674 has 16 divisors (see below), whose sum is σ = 3287649600. Its totient is φ = 767117904.

The previous prime is 1853868673. The next prime is 1853868707. The reversal of 1853868674 is 4768683581.

It is not an unprimeable number, because it can be changed into a prime (1853868671) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2282684 + ... + 2283495.

It is an arithmetic number, because the mean of its divisors is an integer number (205478100).

Almost surely, 2^1853868674 is an apocalyptic number.

1853868674 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1853868674 is a deficient number, since it is larger than the sum of its proper divisors (1433780926).

1853868674 is a wasteful number, since it uses less digits than its factorization.

1853868674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4566217.

The product of its digits is 7741440, while the sum is 56.

The square root of 1853868674 is about 43056.5752702186. The cubic root of 1853868674 is about 1228.4561399852.

The spelling of 1853868674 in words is "one billion, eight hundred fifty-three million, eight hundred sixty-eight thousand, six hundred seventy-four".