1402427312089 has 2 divisors, whose sum is σ = 1402427312090. Its totient is φ = 1402427312088.

The previous prime is 1402427312081. The next prime is 1402427312173. The reversal of 1402427312089 is 9802137242041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1339824770064 + 62602542025 = 1157508^2 + 250205^2 .

It is a cyclic number.

It is not a de Polignac number, because 1402427312089 - 2³ = 1402427312081 is a prime.

It is not a weakly prime, because it can be changed into another prime (1402427312081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 701213656044 + 701213656045.

It is an arithmetic number, because the mean of its divisors is an integer number (701213656045).

Almost surely, 2^{1402427312089} is an apocalyptic number.

It is an amenable number.

1402427312089 is a deficient number, since it is larger than the sum of its proper divisors (1).

1402427312089 is an equidigital number, since it uses as much as digits as its factorization.

1402427312089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 43.

The spelling of 1402427312089 in words is "one trillion, four hundred two billion, four hundred twenty-seven million, three hundred twelve thousand, eighty-nine".