1810369881492 has 24 divisors (see below), whose sum is σ = 4338363861216. Its totient is φ = 587146988448.

The previous prime is 1810369881491. The next prime is 1810369881577. The reversal of 1810369881492 is 2941889630181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1810369881491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2038704378 + ... + 2038705265.

It is an arithmetic number, because the mean of its divisors is an integer number (180765160884).

Almost surely, 2^{1810369881492} is an apocalyptic number.

1810369881492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1810369881492 is an abundant number, since it is smaller than the sum of its proper divisors (2527993979724).

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

1810369881492 is a wasteful number, since it uses less digits than its factorization.

1810369881492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4077409687 (or 4077409685 counting only the distinct ones).

The product of its (nonzero) digits is 5971968, while the sum is 60.

The spelling of 1810369881492 in words is "one trillion, eight hundred ten billion, three hundred sixty-nine million, eight hundred eighty-one thousand, four hundred ninety-two".