1925289388993 has 2 divisors, whose sum is σ = 1925289388994. Its totient is φ = 1925289388992.

The previous prime is 1925289388973. The next prime is 1925289389069. The reversal of 1925289388993 is 3998839825291.

It is an a-pointer prime, because the next prime (1925289389069) can be obtained adding 1925289388993 to its sum of digits (76).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1030320412209 + 894968976784 = 1015047^2 + 946028^2 .

It is a cyclic number.

It is not a de Polignac number, because 1925289388993 - 2²⁵ = 1925255834561 is a prime.

It is not a weakly prime, because it can be changed into another prime (1925289388933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 962644694496 + 962644694497.

It is an arithmetic number, because the mean of its divisors is an integer number (962644694497).

Almost surely, 2^{1925289388993} is an apocalyptic number.

It is an amenable number.

1925289388993 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925289388993 is an equidigital number, since it uses as much as digits as its factorization.

1925289388993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 604661760, while the sum is 76.

The spelling of 1925289388993 in words is "one trillion, nine hundred twenty-five billion, two hundred eighty-nine million, three hundred eighty-eight thousand, nine hundred ninety-three".