1373686066201 has 2 divisors, whose sum is σ = 1373686066202. Its totient is φ = 1373686066200.

The previous prime is 1373686066171. The next prime is 1373686066253. The reversal of 1373686066201 is 1026606863731.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1363056250000 + 10629816201 = 1167500^2 + 103101^2 .

It is a cyclic number.

It is not a de Polignac number, because 1373686066201 - 2¹⁹ = 1373685541913 is a prime.

It is not a weakly prime, because it can be changed into another prime (1373686066261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686843033100 + 686843033101.

It is an arithmetic number, because the mean of its divisors is an integer number (686843033101).

Almost surely, 2^{1373686066201} is an apocalyptic number.

It is an amenable number.

1373686066201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1373686066201 is an equidigital number, since it uses as much as digits as its factorization.

1373686066201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 1373686066201 in words is "one trillion, three hundred seventy-three billion, six hundred eighty-six million, sixty-six thousand, two hundred one".