1326456613406 has 4 divisors (see below), whose sum is σ = 1989684920112. Its totient is φ = 663228306702.

The previous prime is 1326456613399. The next prime is 1326456613429. The reversal of 1326456613406 is 6043166546231.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 331614153350 + ... + 331614153353.

It is an arithmetic number, because the mean of its divisors is an integer number (497421230028).

Almost surely, 2^{1326456613406} is an apocalyptic number.

1326456613406 is a deficient number, since it is larger than the sum of its proper divisors (663228306706).

1326456613406 is an equidigital number, since it uses as much as digits as its factorization.

1326456613406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663228306705.

The product of its (nonzero) digits is 1866240, while the sum is 47.

The spelling of 1326456613406 in words is "one trillion, three hundred twenty-six billion, four hundred fifty-six million, six hundred thirteen thousand, four hundred six".