1819866970032 has 40 divisors (see below), whose sum is σ = 4744454423280. Its totient is φ = 601056979200.

The previous prime is 1819866969901. The next prime is 1819866970043. The reversal of 1819866970032 is 2300796689181.

It is a super-2 number, since 2×1819866970032² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173911719 + ... + 173922182.

It is an arithmetic number, because the mean of its divisors is an integer number (118611360582).

Almost surely, 2^{1819866970032} is an apocalyptic number.

1819866970032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1819866970032 is an abundant number, since it is smaller than the sum of its proper divisors (2924587453248).

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

1819866970032 is a wasteful number, since it uses less digits than its factorization.

1819866970032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347834021 (or 347834015 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 60.

The spelling of 1819866970032 in words is "one trillion, eight hundred nineteen billion, eight hundred sixty-six million, nine hundred seventy thousand, thirty-two".