2051591295 has 16 divisors (see below), whose sum is σ = 3535049952. Its totient is φ = 1010014080.

The previous prime is 2051591249. The next prime is 2051591299. The reversal of 2051591295 is 5921951502.

It is not a de Polignac number, because 2051591295 - 2¹¹ = 2051589247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051591299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5260296 + ... + 5260685.

It is an arithmetic number, because the mean of its divisors is an integer number (220940622).

Almost surely, 2^2051591295 is an apocalyptic number.

2051591295 is a deficient number, since it is larger than the sum of its proper divisors (1483458657).

2051591295 is a wasteful number, since it uses less digits than its factorization.

2051591295 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10521002.

The product of its (nonzero) digits is 40500, while the sum is 39.

The square root of 2051591295 is about 45294.4951953325. The cubic root of 2051591295 is about 1270.6627030919.

The spelling of 2051591295 in words is "two billion, fifty-one million, five hundred ninety-one thousand, two hundred ninety-five".