1725167508049 has 2 divisors, whose sum is σ = 1725167508050. Its totient is φ = 1725167508048.

The previous prime is 1725167508007. The next prime is 1725167508139. The reversal of 1725167508049 is 9408057615271.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1097161977025 + 628005531024 = 1047455^2 + 792468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1725167508049 - 2¹³ = 1725167499857 is a prime.

It is not a weakly prime, because it can be changed into another prime (1725167508749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 862583754024 + 862583754025.

It is an arithmetic number, because the mean of its divisors is an integer number (862583754025).

Almost surely, 2^{1725167508049} is an apocalyptic number.

It is an amenable number.

1725167508049 is a deficient number, since it is larger than the sum of its proper divisors (1).

1725167508049 is an equidigital number, since it uses as much as digits as its factorization.

1725167508049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 55.

The spelling of 1725167508049 in words is "one trillion, seven hundred twenty-five billion, one hundred sixty-seven million, five hundred eight thousand, forty-nine".