428309363 has 2 divisors, whose sum is σ = 428309364. Its totient is φ = 428309362.

The previous prime is 428309341. The next prime is 428309443. The reversal of 428309363 is 363903824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428309363 - 2¹⁰ = 428308339 is a prime.

It is not a weakly prime, because it can be changed into another prime (428309333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214154681 + 214154682.

It is an arithmetic number, because the mean of its divisors is an integer number (214154682).

Almost surely, 2^428309363 is an apocalyptic number.

428309363 is a deficient number, since it is larger than the sum of its proper divisors (1).

428309363 is an equidigital number, since it uses as much as digits as its factorization.

428309363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 428309363 is about 20695.6363274967. The cubic root of 428309363 is about 753.7937336094.

The spelling of 428309363 in words is "four hundred twenty-eight million, three hundred nine thousand, three hundred sixty-three".