25650412256519 has 2 divisors, whose sum is σ = 25650412256520. Its totient is φ = 25650412256518.

The previous prime is 25650412256479. The next prime is 25650412256533. The reversal of 25650412256519 is 91565221405652.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 25650412256519 - 2²⁰ = 25650411207943 is a prime.

It is a super-2 number, since 2×25650412256519² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25650412256419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12825206128259 + 12825206128260.

It is an arithmetic number, because the mean of its divisors is an integer number (12825206128260).

Almost surely, 2^{25650412256519} is an apocalyptic number.

25650412256519 is a deficient number, since it is larger than the sum of its proper divisors (1).

25650412256519 is an equidigital number, since it uses as much as digits as its factorization.

25650412256519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480000, while the sum is 53.

The spelling of 25650412256519 in words is "twenty-five trillion, six hundred fifty billion, four hundred twelve million, two hundred fifty-six thousand, five hundred nineteen".