1425490970689 has 2 divisors, whose sum is σ = 1425490970690. Its totient is φ = 1425490970688.

The previous prime is 1425490970681. The next prime is 1425490970707. The reversal of 1425490970689 is 9860790945241.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1423475679025 + 2015291664 = 1193095^2 + 44892^2 .

It is a cyclic number.

It is not a de Polignac number, because 1425490970689 - 2³ = 1425490970681 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1425490970689.

It is not a weakly prime, because it can be changed into another prime (1425490970681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 712745485344 + 712745485345.

It is an arithmetic number, because the mean of its divisors is an integer number (712745485345).

Almost surely, 2^{1425490970689} is an apocalyptic number.

It is an amenable number.

1425490970689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1425490970689 is an equidigital number, since it uses as much as digits as its factorization.

1425490970689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 39191040, while the sum is 64.

The spelling of 1425490970689 in words is "one trillion, four hundred twenty-five billion, four hundred ninety million, nine hundred seventy thousand, six hundred eighty-nine".