25360964873 has 2 divisors, whose sum is σ = 25360964874. Its totient is φ = 25360964872.

The previous prime is 25360964833. The next prime is 25360964891. The reversal of 25360964873 is 37846906352.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23818674889 + 1542289984 = 154333^2 + 39272^2 .

It is a cyclic number.

It is not a de Polignac number, because 25360964873 - 2¹⁸ = 25360702729 is a prime.

It is a super-2 number, since 2×25360964873² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (25360964833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12680482436 + 12680482437.

It is an arithmetic number, because the mean of its divisors is an integer number (12680482437).

Almost surely, 2^25360964873 is an apocalyptic number.

It is an amenable number.

25360964873 is a deficient number, since it is larger than the sum of its proper divisors (1).

25360964873 is an equidigital number, since it uses as much as digits as its factorization.

25360964873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 25360964873 in words is "twenty-five billion, three hundred sixty million, nine hundred sixty-four thousand, eight hundred seventy-three".