2091101340 has 24 divisors (see below), whose sum is σ = 5855083920. Its totient is φ = 557627008.

The previous prime is 2091101339. The next prime is 2091101357. The reversal of 2091101340 is 431011902.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 17425785 + ... + 17425904.

It is an arithmetic number, because the mean of its divisors is an integer number (243961830).

Almost surely, 2^2091101340 is an apocalyptic number.

2091101340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2091101340 is an abundant number, since it is smaller than the sum of its proper divisors (3763982580).

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

2091101340 is a wasteful number, since it uses less digits than its factorization.

2091101340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34851701 (or 34851699 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 2091101340 is about 45728.5615343409. The cubic root of 2091101340 is about 1278.7678042754.

The spelling of 2091101340 in words is "two billion, ninety-one million, one hundred one thousand, three hundred forty".