6456522049 has 4 divisors (see below), whose sum is σ = 6470650564. Its totient is φ = 6442393536.

The previous prime is 6456522047. The next prime is 6456522113. The reversal of 6456522049 is 9402256546.

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 2135826225 + 4320695824 = 46215^2 + 65732^2 .

It is a cyclic number.

It is not a de Polignac number, because 6456522049 - 2¹ = 6456522047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6456521996 and 6456522014.

It is not an unprimeable number, because it can be changed into a prime (6456522047) 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, 7063572 + ... + 7064485.

It is an arithmetic number, because the mean of its divisors is an integer number (1617662641).

Almost surely, 2^6456522049 is an apocalyptic number.

It is an amenable number.

6456522049 is a deficient number, since it is larger than the sum of its proper divisors (14128515).

6456522049 is a wasteful number, since it uses less digits than its factorization.

6456522049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14128514.

The product of its (nonzero) digits is 518400, while the sum is 43.

The square root of 6456522049 is about 80352.4862652053. The cubic root of 6456522049 is about 1862.0851907715.

The spelling of 6456522049 in words is "six billion, four hundred fifty-six million, five hundred twenty-two thousand, forty-nine".