1323676649 has 8 divisors (see below), whose sum is σ = 1327872000. Its totient is φ = 1319488992.

The previous prime is 1323676621. The next prime is 1323676681. The reversal of 1323676649 is 9466763231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1323676649 is a prime.

It is a super-2 number, since 2×1323676649² = 3504239742215738402, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1323676699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 590072 + ... + 592310.

It is an arithmetic number, because the mean of its divisors is an integer number (165984000).

Almost surely, 2^1323676649 is an apocalyptic number.

It is an amenable number.

1323676649 is a deficient number, since it is larger than the sum of its proper divisors (4195351).

1323676649 is a wasteful number, since it uses less digits than its factorization.

1323676649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3847.

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

The square root of 1323676649 is about 36382.3672814181. The cubic root of 1323676649 is about 1097.9788364794.

The spelling of 1323676649 in words is "one billion, three hundred twenty-three million, six hundred seventy-six thousand, six hundred forty-nine".