2352945891 has 8 divisors (see below), whose sum is σ = 3161964544. Its totient is φ = 1556278920.

The previous prime is 2352945811. The next prime is 2352945929. The reversal of 2352945891 is 1985492532.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2352945891 - 2¹⁷ = 2352814819 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2352945891.

It is not an unprimeable number, because it can be changed into a prime (2352945811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3087475 + ... + 3088236.

It is an arithmetic number, because the mean of its divisors is an integer number (395245568).

Almost surely, 2^2352945891 is an apocalyptic number.

2352945891 is a deficient number, since it is larger than the sum of its proper divisors (809018653).

2352945891 is a wasteful number, since it uses less digits than its factorization.

2352945891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6175841.

The product of its digits is 777600, while the sum is 48.

The square root of 2352945891 is about 48507.1736034991. The cubic root of 2352945891 is about 1330.0582051901.

The spelling of 2352945891 in words is "two billion, three hundred fifty-two million, nine hundred forty-five thousand, eight hundred ninety-one".