2091597048 has 48 divisors (see below), whose sum is σ = 5736463200. Its totient is φ = 688371840.

The previous prime is 2091597043. The next prime is 2091597061. The reversal of 2091597048 is 8407951902.

It is a super-2 number, since 2×2091597048² = 8749556422404628608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2091596994 and 2091597012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091597043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 178173 + ... + 189548.

It is an arithmetic number, because the mean of its divisors is an integer number (119509650).

Almost surely, 2^2091597048 is an apocalyptic number.

It is an amenable number.

2091597048 is an abundant number, since it is smaller than the sum of its proper divisors (3644866152).

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

2091597048 is a wasteful number, since it uses less digits than its factorization.

2091597048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367812 (or 367805 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 2091597048 is about 45733.9813267990. The cubic root of 2091597048 is about 1278.8688427945.

The spelling of 2091597048 in words is "two billion, ninety-one million, five hundred ninety-seven thousand, forty-eight".