1999999593036 has 72 divisors (see below), whose sum is σ = 5098454262720. Its totient is φ = 661030901856.

The previous prime is 1999999593023. The next prime is 1999999593043. The reversal of 1999999593036 is 6303959999991.

1999999593036 is a `hidden beast` number, since 1 + 99 + 99 + 99 + 59 + 303 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1788855 + ... + 2683281.

It is an arithmetic number, because the mean of its divisors is an integer number (70811864760).

Almost surely, 2^{1999999593036} is an apocalyptic number.

It is an amenable number.

1999999593036 is an abundant number, since it is smaller than the sum of its proper divisors (3098454669684).

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

1999999593036 is a wasteful number, since it uses less digits than its factorization.

1999999593036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 894963 (or 894958 counting only the distinct ones).

The product of its (nonzero) digits is 1291401630, while the sum is 81.

The spelling of 1999999593036 in words is "one trillion, nine hundred ninety-nine billion, nine hundred ninety-nine million, five hundred ninety-three thousand, thirty-six".