1326626849 has 4 divisors (see below), whose sum is σ = 1329621936. Its totient is φ = 1323631764.

The previous prime is 1326626843. The next prime is 1326626863. The reversal of 1326626849 is 9486266231.

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 a cyclic number.

It is not a de Polignac number, because 1326626849 - 2⁸ = 1326626593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1326626843) 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, 1496879 + ... + 1497764.

It is an arithmetic number, because the mean of its divisors is an integer number (332405484).

Almost surely, 2^1326626849 is an apocalyptic number.

It is an amenable number.

1326626849 is a deficient number, since it is larger than the sum of its proper divisors (2995087).

1326626849 is an equidigital number, since it uses as much as digits as its factorization.

1326626849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2995086.

The product of its digits is 746496, while the sum is 47.

The square root of 1326626849 is about 36422.8890809063. The cubic root of 1326626849 is about 1098.7939533731.

The spelling of 1326626849 in words is "one billion, three hundred twenty-six million, six hundred twenty-six thousand, eight hundred forty-nine".