64061629 has 2 divisors, whose sum is σ = 64061630. Its totient is φ = 64061628.

The previous prime is 64061587. The next prime is 64061707. The reversal of 64061629 is 92616046.

64061629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54789604 + 9272025 = 7402^2 + 3045^2 .

It is a cyclic number.

It is not a de Polignac number, because 64061629 - 2¹¹ = 64059581 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64061594 and 64061603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64061429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32030814 + 32030815.

It is an arithmetic number, because the mean of its divisors is an integer number (32030815).

Almost surely, 2^64061629 is an apocalyptic number.

It is an amenable number.

64061629 is a deficient number, since it is larger than the sum of its proper divisors (1).

64061629 is an equidigital number, since it uses as much as digits as its factorization.

64061629 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 34.

The square root of 64061629 is about 8003.8508856675. The cubic root of 64061629 is about 400.1283525596.

The spelling of 64061629 in words is "sixty-four million, sixty-one thousand, six hundred twenty-nine".