2091754990000 has 100 divisors (see below), whose sum is σ = 5453913576496. Its totient is φ = 772340256000.

The previous prime is 2091754989953. The next prime is 2091754990027. The reversal of 2091754990000 is 994571902.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (100).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 7915212 + ... + 8175211.

Almost surely, 2^{2091754990000} is an apocalyptic number.

2091754990000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091754990000 is an abundant number, since it is smaller than the sum of its proper divisors (3362158586496).

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

2091754990000 is a wasteful number, since it uses less digits than its factorization.

2091754990000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16090464 (or 16090443 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 46.

The spelling of 2091754990000 in words is "two trillion, ninety-one billion, seven hundred fifty-four million, nine hundred ninety thousand".