428621359 has 2 divisors, whose sum is σ = 428621360. Its totient is φ = 428621358.

The previous prime is 428621327. The next prime is 428621429. The reversal of 428621359 is 953126824.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 428621359 - 2⁵ = 428621327 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428621309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214310679 + 214310680.

It is an arithmetic number, because the mean of its divisors is an integer number (214310680).

Almost surely, 2^428621359 is an apocalyptic number.

428621359 is a deficient number, since it is larger than the sum of its proper divisors (1).

428621359 is an equidigital number, since it uses as much as digits as its factorization.

428621359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 103680, while the sum is 40.

The square root of 428621359 is about 20703.1726795677. The cubic root of 428621359 is about 753.9767193735.

The spelling of 428621359 in words is "four hundred twenty-eight million, six hundred twenty-one thousand, three hundred fifty-nine".