2928998291 has 4 divisors (see below), whose sum is σ = 2945180784. Its totient is φ = 2912815800.

The previous prime is 2928998279. The next prime is 2928998339. The reversal of 2928998291 is 1928998292.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2928998291 - 2¹⁴ = 2928981907 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 2928998291.

It is not an unprimeable number, because it can be changed into a prime (2928998591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8090975 + ... + 8091336.

It is an arithmetic number, because the mean of its divisors is an integer number (736295196).

Almost surely, 2^2928998291 is an apocalyptic number.

2928998291 is a deficient number, since it is larger than the sum of its proper divisors (16182493).

2928998291 is a wasteful number, since it uses less digits than its factorization.

2928998291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182492.

The product of its digits is 3359232, while the sum is 59.

The square root of 2928998291 is about 54120.2207220185. The cubic root of 2928998291 is about 1430.7805885452.

Subtracting from 2928998291 its reverse (1928998292), we obtain a palindrome (999999999).

The spelling of 2928998291 in words is "two billion, nine hundred twenty-eight million, nine hundred ninety-eight thousand, two hundred ninety-one".