25507458662419 has 2 divisors, whose sum is σ = 25507458662420. Its totient is φ = 25507458662418.

The previous prime is 25507458662393. The next prime is 25507458662437. The reversal of 25507458662419 is 91426685470552.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25507458662419 is a prime.

It is a super-2 number, since 2×25507458662419² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25507458662459) 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, 12753729331209 + 12753729331210.

It is an arithmetic number, because the mean of its divisors is an integer number (12753729331210).

Almost surely, 2^{25507458662419} is an apocalyptic number.

25507458662419 is a deficient number, since it is larger than the sum of its proper divisors (1).

25507458662419 is an equidigital number, since it uses as much as digits as its factorization.

25507458662419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 145152000, while the sum is 64.

The spelling of 25507458662419 in words is "twenty-five trillion, five hundred seven billion, four hundred fifty-eight million, six hundred sixty-two thousand, four hundred nineteen".