1380637280833 has 2 divisors, whose sum is σ = 1380637280834. Its totient is φ = 1380637280832.

The previous prime is 1380637280801. The next prime is 1380637280837. The reversal of 1380637280833 is 3380827360831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1283253964864 + 97383315969 = 1132808^2 + 312063^2 .

It is a cyclic number.

It is not a de Polignac number, because 1380637280833 - 2⁵ = 1380637280801 is a prime.

It is not a weakly prime, because it can be changed into another prime (1380637280837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 690318640416 + 690318640417.

It is an arithmetic number, because the mean of its divisors is an integer number (690318640417).

Almost surely, 2^{1380637280833} is an apocalyptic number.

It is an amenable number.

1380637280833 is a deficient number, since it is larger than the sum of its proper divisors (1).

1380637280833 is an equidigital number, since it uses as much as digits as its factorization.

1380637280833 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 1380637280833 in words is "one trillion, three hundred eighty billion, six hundred thirty-seven million, two hundred eighty thousand, eight hundred thirty-three".