64326629 has 2 divisors, whose sum is σ = 64326630. Its totient is φ = 64326628.

The previous prime is 64326599. The next prime is 64326637. The reversal of 64326629 is 92662346.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52780225 + 11546404 = 7265^2 + 3398^2 .

It is a cyclic number.

It is not a de Polignac number, because 64326629 - 2⁸ = 64326373 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 64326592 and 64326601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64326529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32163314 + 32163315.

It is an arithmetic number, because the mean of its divisors is an integer number (32163315).

Almost surely, 2^64326629 is an apocalyptic number.

It is an amenable number.

64326629 is a deficient number, since it is larger than the sum of its proper divisors (1).

64326629 is an equidigital number, since it uses as much as digits as its factorization.

64326629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 38.

The square root of 64326629 is about 8020.3883322443. The cubic root of 64326629 is about 400.6793227318.

It can be divided in two parts, 643 and 26629, that added together give a palindrome (27272).

The spelling of 64326629 in words is "sixty-four million, three hundred twenty-six thousand, six hundred twenty-nine".