1925429361589 has 2 divisors, whose sum is σ = 1925429361590. Its totient is φ = 1925429361588.

The previous prime is 1925429361571. The next prime is 1925429361623. The reversal of 1925429361589 is 9851639245291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1592096339089 + 333333022500 = 1261783^2 + 577350^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925429361589 - 2¹⁹ = 1925428837301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1925429361589.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1925424361589) 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, 962714680794 + 962714680795.

It is an arithmetic number, because the mean of its divisors is an integer number (962714680795).

Almost surely, 2^{1925429361589} is an apocalyptic number.

It is an amenable number.

1925429361589 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925429361589 is an equidigital number, since it uses as much as digits as its factorization.

1925429361589 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 41990400, while the sum is 64.

The spelling of 1925429361589 in words is "one trillion, nine hundred twenty-five billion, four hundred twenty-nine million, three hundred sixty-one thousand, five hundred eighty-nine".