564436129 has 2 divisors, whose sum is σ = 564436130. Its totient is φ = 564436128.

The previous prime is 564436121. The next prime is 564436151. The reversal of 564436129 is 921634465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 546390625 + 18045504 = 23375^2 + 4248^2 .

It is a cyclic number.

It is not a de Polignac number, because 564436129 - 2³ = 564436121 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 564436091 and 564436100.

It is not a weakly prime, because it can be changed into another prime (564436121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 282218064 + 282218065.

It is an arithmetic number, because the mean of its divisors is an integer number (282218065).

Almost surely, 2^564436129 is an apocalyptic number.

It is an amenable number.

564436129 is a deficient number, since it is larger than the sum of its proper divisors (1).

564436129 is an equidigital number, since it uses as much as digits as its factorization.

564436129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 155520, while the sum is 40.

The square root of 564436129 is about 23757.8645715477. The cubic root of 564436129 is about 826.4278324056.

The spelling of 564436129 in words is "five hundred sixty-four million, four hundred thirty-six thousand, one hundred twenty-nine".