676360649 has 4 divisors (see below), whose sum is σ = 699683460. Its totient is φ = 653037840.

The previous prime is 676360571. The next prime is 676360673. The reversal of 676360649 is 946063676.

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 473497600 + 202863049 = 21760^2 + 14243^2 .

It is a cyclic number.

It is not a de Polignac number, because 676360649 - 2¹² = 676356553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676360049) 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, 11661362 + ... + 11661419.

It is an arithmetic number, because the mean of its divisors is an integer number (174920865).

Almost surely, 2^676360649 is an apocalyptic number.

It is an amenable number.

676360649 is a deficient number, since it is larger than the sum of its proper divisors (23322811).

676360649 is a wasteful number, since it uses less digits than its factorization.

676360649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23322810.

The product of its (nonzero) digits is 979776, while the sum is 47.

The square root of 676360649 is about 26006.9346329013. The cubic root of 676360649 is about 877.7943424275.

The spelling of 676360649 in words is "six hundred seventy-six million, three hundred sixty thousand, six hundred forty-nine".