265424120249 has 2 divisors, whose sum is σ = 265424120250. Its totient is φ = 265424120248.

The previous prime is 265424120239. The next prime is 265424120303. The reversal of 265424120249 is 942021424562.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 172059040000 + 93365080249 = 414800^2 + 305557^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-265424120249 is a prime.

It is a super-2 number, since 2×265424120249² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (265424120239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 132712060124 + 132712060125.

It is an arithmetic number, because the mean of its divisors is an integer number (132712060125).

Almost surely, 2^265424120249 is an apocalyptic number.

It is an amenable number.

265424120249 is a deficient number, since it is larger than the sum of its proper divisors (1).

265424120249 is an equidigital number, since it uses as much as digits as its factorization.

265424120249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 276480, while the sum is 41.

The spelling of 265424120249 in words is "two hundred sixty-five billion, four hundred twenty-four million, one hundred twenty thousand, two hundred forty-nine".