2728017143 has 16 divisors (see below), whose sum is σ = 2941526016. Its totient is φ = 2522593920.

The previous prime is 2728017139. The next prime is 2728017151. The reversal of 2728017143 is 3417108272.

It is a cyclic number.

It is not a de Polignac number, because 2728017143 - 2² = 2728017139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2728013143) 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, 1127471 + ... + 1129887.

It is an arithmetic number, because the mean of its divisors is an integer number (183845376).

Almost surely, 2^2728017143 is an apocalyptic number.

2728017143 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2728017143 is a deficient number, since it is larger than the sum of its proper divisors (213508873).

2728017143 is a wasteful number, since it uses less digits than its factorization.

2728017143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4054.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2728017143 is about 52230.4235383938. The cubic root of 2728017143 is about 1397.2765324223.

The spelling of 2728017143 in words is "two billion, seven hundred twenty-eight million, seventeen thousand, one hundred forty-three".