1326454546201 has 2 divisors, whose sum is σ = 1326454546202. Its totient is φ = 1326454546200.

The previous prime is 1326454546181. The next prime is 1326454546237. The reversal of 1326454546201 is 1026454546231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 802135184400 + 524319361801 = 895620^2 + 724099^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1326454546201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1326454546601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663227273100 + 663227273101.

It is an arithmetic number, because the mean of its divisors is an integer number (663227273101).

Almost surely, 2^{1326454546201} is an apocalyptic number.

It is an amenable number.

1326454546201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326454546201 is an equidigital number, since it uses as much as digits as its factorization.

1326454546201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 691200, while the sum is 43.

The spelling of 1326454546201 in words is "one trillion, three hundred twenty-six billion, four hundred fifty-four million, five hundred forty-six thousand, two hundred one".