863127407489 has 2 divisors, whose sum is σ = 863127407490. Its totient is φ = 863127407488.

The previous prime is 863127407459. The next prime is 863127407539. The reversal of 863127407489 is 984704721368.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 781514345089 + 81613062400 = 884033^2 + 285680^2 .

It is a cyclic number.

It is not a de Polignac number, because 863127407489 - 2¹² = 863127403393 is a prime.

It is not a weakly prime, because it can be changed into another prime (863127407459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431563703744 + 431563703745.

It is an arithmetic number, because the mean of its divisors is an integer number (431563703745).

Almost surely, 2^863127407489 is an apocalyptic number.

It is an amenable number.

863127407489 is a deficient number, since it is larger than the sum of its proper divisors (1).

863127407489 is an equidigital number, since it uses as much as digits as its factorization.

863127407489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16257024, while the sum is 59.

The spelling of 863127407489 in words is "eight hundred sixty-three billion, one hundred twenty-seven million, four hundred seven thousand, four hundred eighty-nine".