2091331253 has 4 divisors (see below), whose sum is σ = 2281452288. Its totient is φ = 1901210220.

The previous prime is 2091331237. The next prime is 2091331267. The reversal of 2091331253 is 3521331902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2091331253 - 2⁴ = 2091331237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091331453) 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 3 ways as a sum of consecutive naturals, for example, 95060501 + ... + 95060522.

It is an arithmetic number, because the mean of its divisors is an integer number (570363072).

Almost surely, 2^2091331253 is an apocalyptic number.

It is an amenable number.

2091331253 is a deficient number, since it is larger than the sum of its proper divisors (190121035).

2091331253 is a wasteful number, since it uses less digits than its factorization.

2091331253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190121034.

The product of its (nonzero) digits is 4860, while the sum is 29.

The square root of 2091331253 is about 45731.0753536367. The cubic root of 2091331253 is about 1278.8146686657.

The spelling of 2091331253 in words is "two billion, ninety-one million, three hundred thirty-one thousand, two hundred fifty-three".