8220635153 has 2 divisors, whose sum is σ = 8220635154. Its totient is φ = 8220635152.

The previous prime is 8220635147. The next prime is 8220635161. The reversal of 8220635153 is 3515360228.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5468898304 + 2751736849 = 73952^2 + 52457^2 .

It is a cyclic number.

It is not a de Polignac number, because 8220635153 - 2⁶ = 8220635089 is a prime.

It is not a weakly prime, because it can be changed into another prime (8220635113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4110317576 + 4110317577.

It is an arithmetic number, because the mean of its divisors is an integer number (4110317577).

Almost surely, 2^8220635153 is an apocalyptic number.

It is an amenable number.

8220635153 is a deficient number, since it is larger than the sum of its proper divisors (1).

8220635153 is an equidigital number, since it uses as much as digits as its factorization.

8220635153 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 8220635153 is about 90667.7183621602. The cubic root of 8220635153 is about 2018.2197785642.

The spelling of 8220635153 in words is "eight billion, two hundred twenty million, six hundred thirty-five thousand, one hundred fifty-three".