427922029 has 2 divisors, whose sum is σ = 427922030. Its totient is φ = 427922028.

The previous prime is 427922003. The next prime is 427922051. The reversal of 427922029 is 920229724.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 420332004 + 7590025 = 20502^2 + 2755^2 .

It is a cyclic number.

It is not a de Polignac number, because 427922029 - 2¹¹ = 427919981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427922069) 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, 213961014 + 213961015.

It is an arithmetic number, because the mean of its divisors is an integer number (213961015).

Almost surely, 2^427922029 is an apocalyptic number.

It is an amenable number.

427922029 is a deficient number, since it is larger than the sum of its proper divisors (1).

427922029 is an equidigital number, since it uses as much as digits as its factorization.

427922029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 427922029 is about 20686.2763444753. The cubic root of 427922029 is about 753.5664384002.

The spelling of 427922029 in words is "four hundred twenty-seven million, nine hundred twenty-two thousand, twenty-nine".