2691593091020 has 24 divisors (see below), whose sum is σ = 5659527665904. Its totient is φ = 1075269203136.

The previous prime is 2691593091017. The next prime is 2691593091043. The reversal of 2691593091020 is 201903951962.

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, 85485947 + ... + 85517426.

It is an arithmetic number, because the mean of its divisors is an integer number (235813652746).

Almost surely, 2^{2691593091020} is an apocalyptic number.

2691593091020 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2691593091020 is an abundant number, since it is smaller than the sum of its proper divisors (2967934574884).

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

2691593091020 is a wasteful number, since it uses less digits than its factorization.

2691593091020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171004169 (or 171004167 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 47.

The spelling of 2691593091020 in words is "two trillion, six hundred ninety-one billion, five hundred ninety-three million, ninety-one thousand, twenty".