2143465797 has 16 divisors (see below), whose sum is σ = 3120736320. Its totient is φ = 1297833600.

The previous prime is 2143465783. The next prime is 2143465799. The reversal of 2143465797 is 7975643412.

It is not a de Polignac number, because 2143465797 - 2⁷ = 2143465669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2143465799) 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 15 ways as a sum of consecutive naturals, for example, 4897 + ... + 65657.

It is an arithmetic number, because the mean of its divisors is an integer number (195046020).

Almost surely, 2^2143465797 is an apocalyptic number.

It is an amenable number.

2143465797 is a deficient number, since it is larger than the sum of its proper divisors (977270523).

2143465797 is a wasteful number, since it uses less digits than its factorization.

2143465797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61844.

The product of its digits is 1270080, while the sum is 48.

The square root of 2143465797 is about 46297.5787379859. The cubic root of 2143465797 is about 1289.3540417173.

The spelling of 2143465797 in words is "two billion, one hundred forty-three million, four hundred sixty-five thousand, seven hundred ninety-seven".