7689282049 has 4 divisors (see below), whose sum is σ = 7689676036. Its totient is φ = 7688888064.

The previous prime is 7689282047. The next prime is 7689282061. The reversal of 7689282049 is 9402829867.

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 4812890625 + 2876391424 = 69375^2 + 53632^2 .

It is a cyclic number.

It is not a de Polignac number, because 7689282049 - 2¹ = 7689282047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7689282047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166104 + ... + 207289.

It is an arithmetic number, because the mean of its divisors is an integer number (1922419009).

Almost surely, 2^7689282049 is an apocalyptic number.

It is an amenable number.

7689282049 is a deficient number, since it is larger than the sum of its proper divisors (393987).

7689282049 is a wasteful number, since it uses less digits than its factorization.

7689282049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 393986.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The square root of 7689282049 is about 87688.5514135112. The cubic root of 7689282049 is about 1973.7641832589.

The spelling of 7689282049 in words is "seven billion, six hundred eighty-nine million, two hundred eighty-two thousand, forty-nine".