2928122869 has 4 divisors (see below), whose sum is σ = 3346426144. Its totient is φ = 2509819596.

The previous prime is 2928122807. The next prime is 2928122921. The reversal of 2928122869 is 9682218292.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2928122869 - 2¹³ = 2928114677 is a prime.

It is a super-2 number, since 2×2928122869² = 17147807071921582322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2928122569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 209151627 + ... + 209151640.

It is an arithmetic number, because the mean of its divisors is an integer number (836606536).

Almost surely, 2^2928122869 is an apocalyptic number.

It is an amenable number.

2928122869 is a deficient number, since it is larger than the sum of its proper divisors (418303275).

2928122869 is an equidigital number, since it uses as much as digits as its factorization.

2928122869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418303274.

The product of its digits is 497664, while the sum is 49.

The square root of 2928122869 is about 54112.1323641935. The cubic root of 2928122869 is about 1430.6380299538.

The spelling of 2928122869 in words is "two billion, nine hundred twenty-eight million, one hundred twenty-two thousand, eight hundred sixty-nine".