8206154394073 has 2 divisors, whose sum is σ = 8206154394074. Its totient is φ = 8206154394072.

The previous prime is 8206154394047. The next prime is 8206154394101. The reversal of 8206154394073 is 3704934516028.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8186539831369 + 19614562704 = 2861213^2 + 140052^2 .

It is a cyclic number.

It is not a de Polignac number, because 8206154394073 - 2⁵ = 8206154394041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8206154394073.

It is not a weakly prime, because it can be changed into another prime (8206154398073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4103077197036 + 4103077197037.

It is an arithmetic number, because the mean of its divisors is an integer number (4103077197037).

It is a 1-persistent number, because it is pandigital, but 2⋅8206154394073 = 16412308788146 is not.

Almost surely, 2^{8206154394073} is an apocalyptic number.

It is an amenable number.

8206154394073 is a deficient number, since it is larger than the sum of its proper divisors (1).

8206154394073 is an equidigital number, since it uses as much as digits as its factorization.

8206154394073 is an evil number, because the sum of its binary digits is even.

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

The spelling of 8206154394073 in words is "eight trillion, two hundred six billion, one hundred fifty-four million, three hundred ninety-four thousand, seventy-three".