1925849014249 has 2 divisors, whose sum is σ = 1925849014250. Its totient is φ = 1925849014248.

The previous prime is 1925849014223. The next prime is 1925849014307. The reversal of 1925849014249 is 9424109485291.

It is an a-pointer prime, because the next prime (1925849014307) can be obtained adding 1925849014249 to its sum of digits (58).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1088541662224 + 837307352025 = 1043332^2 + 915045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1925849014249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1925849014193 and 1925849014202.

It is not a weakly prime, because it can be changed into another prime (1925849014049) 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, 962924507124 + 962924507125.

It is an arithmetic number, because the mean of its divisors is an integer number (962924507125).

Almost surely, 2^{1925849014249} is an apocalyptic number.

It is an amenable number.

1925849014249 is a deficient number, since it is larger than the sum of its proper divisors (1).

1925849014249 is an equidigital number, since it uses as much as digits as its factorization.

1925849014249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7464960, while the sum is 58.

The spelling of 1925849014249 in words is "one trillion, nine hundred twenty-five billion, eight hundred forty-nine million, fourteen thousand, two hundred forty-nine".