2091383448 has 64 divisors (see below), whose sum is σ = 6518603520. Its totient is φ = 543216000.

The previous prime is 2091383431. The next prime is 2091383471. The reversal of 2091383448 is 8443831902.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 564003 + ... + 567698.

It is an arithmetic number, because the mean of its divisors is an integer number (101853180).

Almost surely, 2^2091383448 is an apocalyptic number.

2091383448 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2091383448 is an abundant number, since it is smaller than the sum of its proper divisors (4427220072).

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

2091383448 is a wasteful number, since it uses less digits than its factorization.

2091383448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131728 (or 1131724 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The square root of 2091383448 is about 45731.6460232955. The cubic root of 2091383448 is about 1278.8253073719.

The spelling of 2091383448 in words is "two billion, ninety-one million, three hundred eighty-three thousand, four hundred forty-eight".