1325421808447 has 8 divisors (see below), whose sum is σ = 1446182180352. Its totient is φ = 1204706016600.

The previous prime is 1325421808429. The next prime is 1325421808457. The reversal of 1325421808447 is 7448081245231.

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

It is a cyclic number.

It is not a de Polignac number, because 1325421808447 - 2¹⁵ = 1325421775679 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1325421808447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325421808457) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 11082829 + ... + 11201782.

It is an arithmetic number, because the mean of its divisors is an integer number (180772772544).

Almost surely, 2^{1325421808447} is an apocalyptic number.

1325421808447 is a deficient number, since it is larger than the sum of its proper divisors (120760371905).

1325421808447 is a wasteful number, since it uses less digits than its factorization.

1325421808447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22290029.

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 1325421808447 in words is "one trillion, three hundred twenty-five billion, four hundred twenty-one million, eight hundred eight thousand, four hundred forty-seven".