2191203744 has 48 divisors (see below), whose sum is σ = 6001998912. Its totient is φ = 698643968.

The previous prime is 2191203739. The next prime is 2191203809. The reversal of 2191203744 is 4473021912.

It is a tau number, because it is divible by the number of its divisors (48).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 493989 + ... + 498404.

It is an arithmetic number, because the mean of its divisors is an integer number (125041644).

Almost surely, 2^2191203744 is an apocalyptic number.

2191203744 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2191203744 is an abundant number, since it is smaller than the sum of its proper divisors (3810795168).

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

2191203744 is a wasteful number, since it uses less digits than its factorization.

2191203744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 992429 (or 992421 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2191203744 is about 46810.2952778553. The cubic root of 2191203744 is about 1298.8557473715.

The spelling of 2191203744 in words is "two billion, one hundred ninety-one million, two hundred three thousand, seven hundred forty-four".