2652544660321 has 2 divisors, whose sum is σ = 2652544660322. Its totient is φ = 2652544660320.

The previous prime is 2652544660313. The next prime is 2652544660373. The reversal of 2652544660321 is 1230664452562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1967020275025 + 685524385296 = 1402505^2 + 827964^2 .

It is a cyclic number.

It is not a de Polignac number, because 2652544660321 - 2³ = 2652544660313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2652544667321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326272330160 + 1326272330161.

It is an arithmetic number, because the mean of its divisors is an integer number (1326272330161).

Almost surely, 2^{2652544660321} is an apocalyptic number.

It is an amenable number.

2652544660321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2652544660321 is an equidigital number, since it uses as much as digits as its factorization.

2652544660321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2073600, while the sum is 46.

The spelling of 2652544660321 in words is "two trillion, six hundred fifty-two billion, five hundred forty-four million, six hundred sixty thousand, three hundred twenty-one".