64823029 has 2 divisors, whose sum is σ = 64823030. Its totient is φ = 64823028.

The previous prime is 64823021. The next prime is 64823093. The reversal of 64823029 is 92032846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63202500 + 1620529 = 7950^2 + 1273^2 .

It is a cyclic number.

It is not a de Polignac number, because 64823029 - 2³ = 64823021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64822985 and 64823003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64823021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32411514 + 32411515.

It is an arithmetic number, because the mean of its divisors is an integer number (32411515).

Almost surely, 2^64823029 is an apocalyptic number.

It is an amenable number.

64823029 is a deficient number, since it is larger than the sum of its proper divisors (1).

64823029 is an equidigital number, since it uses as much as digits as its factorization.

64823029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 64823029 is about 8051.2749921984. The cubic root of 64823029 is about 401.7073458071.

The spelling of 64823029 in words is "sixty-four million, eight hundred twenty-three thousand, twenty-nine".