324451404451 has 4 divisors (see below), whose sum is σ = 328895944312. Its totient is φ = 320006864592.

The previous prime is 324451404379. The next prime is 324451404493. The reversal of 324451404451 is 154404154423.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-324451404451 is a prime.

It is a super-2 number, since 2×324451404451² (a number of 24 digits) contains 22 as substring.

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 324451404451.

It is not an unprimeable number, because it can be changed into a prime (324451404751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2222269821 + ... + 2222269966.

It is an arithmetic number, because the mean of its divisors is an integer number (82223986078).

Almost surely, 2^324451404451 is an apocalyptic number.

324451404451 is a deficient number, since it is larger than the sum of its proper divisors (4444539861).

324451404451 is an equidigital number, since it uses as much as digits as its factorization.

324451404451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4444539860.

The product of its (nonzero) digits is 153600, while the sum is 37.

Adding to 324451404451 its reverse (154404154423), we get a palindrome (478855558874).

The spelling of 324451404451 in words is "three hundred twenty-four billion, four hundred fifty-one million, four hundred four thousand, four hundred fifty-one".