426431741 has 2 divisors, whose sum is σ = 426431742. Its totient is φ = 426431740.

The previous prime is 426431729. The next prime is 426431743. The reversal of 426431741 is 147134624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 236267641 + 190164100 = 15371^2 + 13790^2 .

It is a cyclic number.

It is not a de Polignac number, because 426431741 - 2¹⁰ = 426430717 is a prime.

Together with 426431743, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 426431698 and 426431707.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (426431743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213215870 + 213215871.

It is an arithmetic number, because the mean of its divisors is an integer number (213215871).

Almost surely, 2^426431741 is an apocalyptic number.

It is an amenable number.

426431741 is a deficient number, since it is larger than the sum of its proper divisors (1).

426431741 is an equidigital number, since it uses as much as digits as its factorization.

426431741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16128, while the sum is 32.

The square root of 426431741 is about 20650.2237518144. The cubic root of 426431741 is about 752.6906267900.

The spelling of 426431741 in words is "four hundred twenty-six million, four hundred thirty-one thousand, seven hundred forty-one".