8259600098261 has 2 divisors, whose sum is σ = 8259600098262. Its totient is φ = 8259600098260.

The previous prime is 8259600098221. The next prime is 8259600098327. The reversal of 8259600098261 is 1628900069528.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5957382600625 + 2302217497636 = 2440775^2 + 1517306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8259600098261 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8259600098197 and 8259600098206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8259600098221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4129800049130 + 4129800049131.

It is an arithmetic number, because the mean of its divisors is an integer number (4129800049131).

Almost surely, 2^{8259600098261} is an apocalyptic number.

It is an amenable number.

8259600098261 is a deficient number, since it is larger than the sum of its proper divisors (1).

8259600098261 is an equidigital number, since it uses as much as digits as its factorization.

8259600098261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3732480, while the sum is 56.

The spelling of 8259600098261 in words is "eight trillion, two hundred fifty-nine billion, six hundred million, ninety-eight thousand, two hundred sixty-one".