2143078298 has 16 divisors (see below), whose sum is σ = 3330585600. Its totient is φ = 1033138800.

The previous prime is 2143078243. The next prime is 2143078309. The reversal of 2143078298 is 8928703412.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46973 + ... + 80576.

It is an arithmetic number, because the mean of its divisors is an integer number (208161600).

Almost surely, 2^2143078298 is an apocalyptic number.

2143078298 is a deficient number, since it is larger than the sum of its proper divisors (1187507302).

2143078298 is a wasteful number, since it uses less digits than its factorization.

2143078298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127853.

The product of its (nonzero) digits is 193536, while the sum is 44.

The square root of 2143078298 is about 46293.3936755559. The cubic root of 2143078298 is about 1289.2763399079.

The spelling of 2143078298 in words is "two billion, one hundred forty-three million, seventy-eight thousand, two hundred ninety-eight".