426629017 has 2 divisors, whose sum is σ = 426629018. Its totient is φ = 426629016.

The previous prime is 426628963. The next prime is 426629023. The reversal of 426629017 is 710926624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376204816 + 50424201 = 19396^2 + 7101^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-426629017 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (426629057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213314508 + 213314509.

It is an arithmetic number, because the mean of its divisors is an integer number (213314509).

Almost surely, 2^426629017 is an apocalyptic number.

It is an amenable number.

426629017 is a deficient number, since it is larger than the sum of its proper divisors (1).

426629017 is an equidigital number, since it uses as much as digits as its factorization.

426629017 is an evil number, because the sum of its binary digits is even.

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

The square root of 426629017 is about 20654.9998063423. Note that the first 3 decimals coincide. The cubic root of 426629017 is about 752.8066788955.

The spelling of 426629017 in words is "four hundred twenty-six million, six hundred twenty-nine thousand, seventeen".