426145429 has 2 divisors, whose sum is σ = 426145430. Its totient is φ = 426145428.

The previous prime is 426145427. The next prime is 426145441. The reversal of 426145429 is 924541624.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 424442404 + 1703025 = 20602^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 426145429 - 2¹ = 426145427 is a prime.

Together with 426145427, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426145427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213072714 + 213072715.

It is an arithmetic number, because the mean of its divisors is an integer number (213072715).

Almost surely, 2^426145429 is an apocalyptic number.

It is an amenable number.

426145429 is a deficient number, since it is larger than the sum of its proper divisors (1).

426145429 is an equidigital number, since it uses as much as digits as its factorization.

426145429 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 37.

The square root of 426145429 is about 20643.2901689629. The cubic root of 426145429 is about 752.5221335418.

The spelling of 426145429 in words is "four hundred twenty-six million, one hundred forty-five thousand, four hundred twenty-nine".