25905962366353 has 2 divisors, whose sum is σ = 25905962366354. Its totient is φ = 25905962366352.

The previous prime is 25905962366243. The next prime is 25905962366359. The reversal of 25905962366353 is 35366326950952.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16097684644864 + 9808277721489 = 4012192^2 + 3131817^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-25905962366353 is a prime.

It is a super-2 number, since 2×25905962366353² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25905962366359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12952981183176 + 12952981183177.

It is an arithmetic number, because the mean of its divisors is an integer number (12952981183177).

Almost surely, 2^{25905962366353} is an apocalyptic number.

It is an amenable number.

25905962366353 is a deficient number, since it is larger than the sum of its proper divisors (1).

25905962366353 is an equidigital number, since it uses as much as digits as its factorization.

25905962366353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 236196000, while the sum is 64.

The spelling of 25905962366353 in words is "twenty-five trillion, nine hundred five billion, nine hundred sixty-two million, three hundred sixty-six thousand, three hundred fifty-three".