428269741 has 2 divisors, whose sum is σ = 428269742. Its totient is φ = 428269740.

The previous prime is 428269739. The next prime is 428269753. The reversal of 428269741 is 147962824.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 275228100 + 153041641 = 16590^2 + 12371^2 .

It is a cyclic number.

It is not a de Polignac number, because 428269741 - 2¹ = 428269739 is a prime.

Together with 428269739, 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 (428269771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214134870 + 214134871.

It is an arithmetic number, because the mean of its divisors is an integer number (214134871).

Almost surely, 2^428269741 is an apocalyptic number.

It is an amenable number.

428269741 is a deficient number, since it is larger than the sum of its proper divisors (1).

428269741 is an equidigital number, since it uses as much as digits as its factorization.

428269741 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 43.

The square root of 428269741 is about 20694.6790504226. The cubic root of 428269741 is about 753.7704889341.

The spelling of 428269741 in words is "four hundred twenty-eight million, two hundred sixty-nine thousand, seven hundred forty-one".