1451304650321 has 2 divisors, whose sum is σ = 1451304650322. Its totient is φ = 1451304650320.

The previous prime is 1451304650287. The next prime is 1451304650329. The reversal of 1451304650321 is 1230564031541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1081525121296 + 369779529025 = 1039964^2 + 608095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1451304650321 is a prime.

It is not a weakly prime, because it can be changed into another prime (1451304650329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 725652325160 + 725652325161.

It is an arithmetic number, because the mean of its divisors is an integer number (725652325161).

Almost surely, 2^{1451304650321} is an apocalyptic number.

It is an amenable number.

1451304650321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1451304650321 is an equidigital number, since it uses as much as digits as its factorization.

1451304650321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

Adding to 1451304650321 its reverse (1230564031541), we get a palindrome (2681868681862).

The spelling of 1451304650321 in words is "one trillion, four hundred fifty-one billion, three hundred four million, six hundred fifty thousand, three hundred twenty-one".