325721843430451 has 12 divisors (see below), whose sum is σ = 353349516522072. Its totient is φ = 300116652728256.

The previous prime is 325721843430433. The next prime is 325721843430491. The reversal of 325721843430451 is 154034348127523.

It is not a de Polignac number, because 325721843430451 - 2⁷ = 325721843430323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (325721843430491) 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 11 ways as a sum of consecutive naturals, for example, 1761651786 + ... + 1761836671.

It is an arithmetic number, because the mean of its divisors is an integer number (29445793043506).

Almost surely, 2^{325721843430451} is an apocalyptic number.

325721843430451 is a deficient number, since it is larger than the sum of its proper divisors (27627673091621).

325721843430451 is a wasteful number, since it uses less digits than its factorization.

325721843430451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3523489030 (or 3523489017 counting only the distinct ones).

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 325721843430451 in words is "three hundred twenty-five trillion, seven hundred twenty-one billion, eight hundred forty-three million, four hundred thirty thousand, four hundred fifty-one".