1324421402451 has 16 divisors (see below), whose sum is σ = 2105912292864. Its totient is φ = 723907350144.

The previous prime is 1324421402431. The next prime is 1324421402453. The reversal of 1324421402451 is 1542041244231.

It is not a de Polignac number, because 1324421402451 - 2⁷ = 1324421402323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1324421402453) 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 15 ways as a sum of consecutive naturals, for example, 1371036166 + ... + 1371037131.

It is an arithmetic number, because the mean of its divisors is an integer number (131619518304).

Almost surely, 2^{1324421402451} is an apocalyptic number.

1324421402451 is a deficient number, since it is larger than the sum of its proper divisors (781490890413).

1324421402451 is a wasteful number, since it uses less digits than its factorization.

1324421402451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742073330.

The product of its (nonzero) digits is 30720, while the sum is 33.

Adding to 1324421402451 its reverse (1542041244231), we get a palindrome (2866462646682).

The spelling of 1324421402451 in words is "one trillion, three hundred twenty-four billion, four hundred twenty-one million, four hundred two thousand, four hundred fifty-one".