64316129 has 2 divisors, whose sum is σ = 64316130. Its totient is φ = 64316128.

The previous prime is 64316111. The next prime is 64316183. The reversal of 64316129 is 92161346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63361600 + 954529 = 7960^2 + 977^2 .

It is a cyclic number.

It is not a de Polignac number, because 64316129 - 2⁸ = 64315873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64316095 and 64316104.

It is not a weakly prime, because it can be changed into another prime (64316429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32158064 + 32158065.

It is an arithmetic number, because the mean of its divisors is an integer number (32158065).

Almost surely, 2^64316129 is an apocalyptic number.

It is an amenable number.

64316129 is a deficient number, since it is larger than the sum of its proper divisors (1).

64316129 is an equidigital number, since it uses as much as digits as its factorization.

64316129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 32.

The square root of 64316129 is about 8019.7337237592. The cubic root of 64316129 is about 400.6575206576.

The spelling of 64316129 in words is "sixty-four million, three hundred sixteen thousand, one hundred twenty-nine".