2828497769 has 4 divisors (see below), whose sum is σ = 2831723844. Its totient is φ = 2825271696.

The previous prime is 2828497759. The next prime is 2828497807. The reversal of 2828497769 is 9677948282.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1414737769 + 1413760000 = 37613^2 + 37600^2 .

It is a cyclic number.

It is not a de Polignac number, because 2828497769 - 2²⁰ = 2827449193 is a prime.

It is a super-2 number, since 2×2828497769² = 16000799258475954722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2828497759) 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, 1611722 + ... + 1613475.

It is an arithmetic number, because the mean of its divisors is an integer number (707930961).

Almost surely, 2^2828497769 is an apocalyptic number.

It is an amenable number.

2828497769 is a deficient number, since it is larger than the sum of its proper divisors (3226075).

2828497769 is an equidigital number, since it uses as much as digits as its factorization.

2828497769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3226074.

The product of its digits is 24385536, while the sum is 62.

The square root of 2828497769 is about 53183.6231278013. The cubic root of 2828497769 is about 1414.2253363174.

The spelling of 2828497769 in words is "two billion, eight hundred twenty-eight million, four hundred ninety-seven thousand, seven hundred sixty-nine".