1813451941862 has 32 divisors (see below), whose sum is σ = 2984768396064. Its totient is φ = 819493113600.

The previous prime is 1813451941841. The next prime is 1813451941867. The reversal of 1813451941862 is 2681491543181.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1813451941867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13363778 + ... + 13498794.

It is an arithmetic number, because the mean of its divisors is an integer number (93274012377).

Almost surely, 2^{1813451941862} is an apocalyptic number.

1813451941862 is a deficient number, since it is larger than the sum of its proper divisors (1171316454202).

1813451941862 is a wasteful number, since it uses less digits than its factorization.

1813451941862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138584.

The product of its digits is 1658880, while the sum is 53.

The spelling of 1813451941862 in words is "one trillion, eight hundred thirteen billion, four hundred fifty-one million, nine hundred forty-one thousand, eight hundred sixty-two".