6420052153 has 2 divisors, whose sum is σ = 6420052154. Its totient is φ = 6420052152.

The previous prime is 6420052129. The next prime is 6420052187. The reversal of 6420052153 is 3512500246.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3832600464 + 2587451689 = 61908^2 + 50867^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6420052153 is a prime.

It is not a weakly prime, because it can be changed into another prime (6420052853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3210026076 + 3210026077.

It is an arithmetic number, because the mean of its divisors is an integer number (3210026077).

Almost surely, 2^6420052153 is an apocalyptic number.

It is an amenable number.

6420052153 is a deficient number, since it is larger than the sum of its proper divisors (1).

6420052153 is an equidigital number, since it uses as much as digits as its factorization.

6420052153 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 6420052153 is about 80125.2279435135. The cubic root of 6420052153 is about 1858.5725503942.

Adding to 6420052153 its reverse (3512500246), we get a palindrome (9932552399).

The spelling of 6420052153 in words is "six billion, four hundred twenty million, fifty-two thousand, one hundred fifty-three".