368445027721553 has 2 divisors, whose sum is σ = 368445027721554. Its totient is φ = 368445027721552.

The previous prime is 368445027721541. The next prime is 368445027721607. The reversal of 368445027721553 is 355127720544863.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 355127542349584 + 13317485371969 = 18844828^2 + 3649313^2 .

It is a cyclic number.

It is not a de Polignac number, because 368445027721553 - 2¹⁴ = 368445027705169 is a prime.

It is not a weakly prime, because it can be changed into another prime (368445027721853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 184222513860776 + 184222513860777.

It is an arithmetic number, because the mean of its divisors is an integer number (184222513860777).

Almost surely, 2^{368445027721553} is an apocalyptic number.

It is an amenable number.

368445027721553 is a deficient number, since it is larger than the sum of its proper divisors (1).

368445027721553 is an equidigital number, since it uses as much as digits as its factorization.

368445027721553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 169344000, while the sum is 62.

The spelling of 368445027721553 in words is "three hundred sixty-eight trillion, four hundred forty-five billion, twenty-seven million, seven hundred twenty-one thousand, five hundred fifty-three".