8225686205513 has 4 divisors (see below), whose sum is σ = 9400784234880. Its totient is φ = 7050588176148.

The previous prime is 8225686205491. The next prime is 8225686205551. The reversal of 8225686205513 is 3155026865228.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8225686205513 - 2¹⁴ = 8225686189129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8225686235513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 587549014673 + ... + 587549014686.

It is an arithmetic number, because the mean of its divisors is an integer number (2350196058720).

Almost surely, 2^{8225686205513} is an apocalyptic number.

It is an amenable number.

8225686205513 is a deficient number, since it is larger than the sum of its proper divisors (1175098029367).

8225686205513 is a wasteful number, since it uses less digits than its factorization.

8225686205513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1175098029366.

The product of its (nonzero) digits is 6912000, while the sum is 53.

The spelling of 8225686205513 in words is "eight trillion, two hundred twenty-five billion, six hundred eighty-six million, two hundred five thousand, five hundred thirteen".