429680129 has 2 divisors, whose sum is σ = 429680130. Its totient is φ = 429680128.

The previous prime is 429680101. The next prime is 429680137. The reversal of 429680129 is 921086924.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318693904 + 110986225 = 17852^2 + 10535^2 .

It is a cyclic number.

It is not a de Polignac number, because 429680129 - 2¹² = 429676033 is a prime.

It is not a weakly prime, because it can be changed into another prime (429680929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214840064 + 214840065.

It is an arithmetic number, because the mean of its divisors is an integer number (214840065).

Almost surely, 2^429680129 is an apocalyptic number.

It is an amenable number.

429680129 is a deficient number, since it is larger than the sum of its proper divisors (1).

429680129 is an equidigital number, since it uses as much as digits as its factorization.

429680129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 429680129 is about 20728.7271437491. The cubic root of 429680129 is about 754.5970271822.

The spelling of 429680129 in words is "four hundred twenty-nine million, six hundred eighty thousand, one hundred twenty-nine".