25607234869 has 2 divisors, whose sum is σ = 25607234870. Its totient is φ = 25607234868.

The previous prime is 25607234833. The next prime is 25607234909. The reversal of 25607234869 is 96843270652.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19637818225 + 5969416644 = 140135^2 + 77262^2 .

It is a cyclic number.

It is not a de Polignac number, because 25607234869 - 2¹³ = 25607226677 is a prime.

It is a super-3 number, since 3×25607234869³ (a number of 32 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25607204869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12803617434 + 12803617435.

It is an arithmetic number, because the mean of its divisors is an integer number (12803617435).

Almost surely, 2^25607234869 is an apocalyptic number.

It is an amenable number.

25607234869 is a deficient number, since it is larger than the sum of its proper divisors (1).

25607234869 is an equidigital number, since it uses as much as digits as its factorization.

25607234869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 25607234869 in words is "twenty-five billion, six hundred seven million, two hundred thirty-four thousand, eight hundred sixty-nine".