2091303272 has 8 divisors (see below), whose sum is σ = 3921193650. Its totient is φ = 1045651632.

The previous prime is 2091303251. The next prime is 2091303281. The reversal of 2091303272 is 2723031902.

It can be written as a sum of positive squares in only one way, i.e., 1896254116 + 195049156 = 43546^2 + 13966^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 130706447 + ... + 130706462.

Almost surely, 2^2091303272 is an apocalyptic number.

It is an amenable number.

2091303272 is a deficient number, since it is larger than the sum of its proper divisors (1829890378).

2091303272 is a wasteful number, since it uses less digits than its factorization.

2091303272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261412915 (or 261412911 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 2091303272 is about 45730.7694227858. The cubic root of 2091303272 is about 1278.8089653331.

The spelling of 2091303272 in words is "two billion, ninety-one million, three hundred three thousand, two hundred seventy-two".