25830657029 has 2 divisors, whose sum is σ = 25830657030. Its totient is φ = 25830657028.

The previous prime is 25830657023. The next prime is 25830657043. The reversal of 25830657029 is 92075603852.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13135452100 + 12695204929 = 114610^2 + 112673^2 .

It is a cyclic number.

It is not a de Polignac number, because 25830657029 - 2¹² = 25830652933 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (25830657023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12915328514 + 12915328515.

It is an arithmetic number, because the mean of its divisors is an integer number (12915328515).

Almost surely, 2^25830657029 is an apocalyptic number.

It is an amenable number.

25830657029 is a deficient number, since it is larger than the sum of its proper divisors (1).

25830657029 is an equidigital number, since it uses as much as digits as its factorization.

25830657029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 907200, while the sum is 47.

The spelling of 25830657029 in words is "twenty-five billion, eight hundred thirty million, six hundred fifty-seven thousand, twenty-nine".