2143465798 has 8 divisors (see below), whose sum is σ = 3318914880. Its totient is φ = 1037160840.

The previous prime is 2143465783. The next prime is 2143465799. The reversal of 2143465798 is 8975643412.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 17285953 + ... + 17286076.

It is an arithmetic number, because the mean of its divisors is an integer number (414864360).

Almost surely, 2^2143465798 is an apocalyptic number.

2143465798 is a deficient number, since it is larger than the sum of its proper divisors (1175449082).

2143465798 is a wasteful number, since it uses less digits than its factorization.

2143465798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34572062.

The product of its digits is 1451520, while the sum is 49.

The square root of 2143465798 is about 46297.5787487856. The cubic root of 2143465798 is about 1289.3540419178.

The spelling of 2143465798 in words is "two billion, one hundred forty-three million, four hundred sixty-five thousand, seven hundred ninety-eight".