64213434053 has 2 divisors, whose sum is σ = 64213434054. Its totient is φ = 64213434052.

The previous prime is 64213434017. The next prime is 64213434071. The reversal of 64213434053 is 35043431246.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44469530884 + 19743903169 = 210878^2 + 140513^2 .

It is a cyclic number.

It is not a de Polignac number, because 64213434053 - 2⁸ = 64213433797 is a prime.

It is a super-2 number, since 2×64213434053² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64213404053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32106717026 + 32106717027.

It is an arithmetic number, because the mean of its divisors is an integer number (32106717027).

Almost surely, 2^64213434053 is an apocalyptic number.

It is an amenable number.

64213434053 is a deficient number, since it is larger than the sum of its proper divisors (1).

64213434053 is an equidigital number, since it uses as much as digits as its factorization.

64213434053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 35.

Adding to 64213434053 its reverse (35043431246), we get a palindrome (99256865299).

The spelling of 64213434053 in words is "sixty-four billion, two hundred thirteen million, four hundred thirty-four thousand, fifty-three".