676452649 has 4 divisors (see below), whose sum is σ = 712055440. Its totient is φ = 640849860.

The previous prime is 676452617. The next prime is 676452659. The reversal of 676452649 is 946254676.

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 not a de Polignac number, because 676452649 - 2⁵ = 676452617 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (676452659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17801367 + ... + 17801404.

It is an arithmetic number, because the mean of its divisors is an integer number (178013860).

Almost surely, 2^676452649 is an apocalyptic number.

It is an amenable number.

676452649 is a deficient number, since it is larger than the sum of its proper divisors (35602791).

676452649 is a wasteful number, since it uses less digits than its factorization.

676452649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35602790.

The product of its digits is 2177280, while the sum is 49.

The square root of 676452649 is about 26008.7033317695. The cubic root of 676452649 is about 877.8341404348.

The spelling of 676452649 in words is "six hundred seventy-six million, four hundred fifty-two thousand, six hundred forty-nine".