428329351 has 2 divisors, whose sum is σ = 428329352. Its totient is φ = 428329350.

The previous prime is 428329313. The next prime is 428329357. The reversal of 428329351 is 153923824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428329351 - 2²¹ = 426232199 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 428329351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (428329357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214164675 + 214164676.

It is an arithmetic number, because the mean of its divisors is an integer number (214164676).

Almost surely, 2^428329351 is an apocalyptic number.

428329351 is a deficient number, since it is larger than the sum of its proper divisors (1).

428329351 is an equidigital number, since it uses as much as digits as its factorization.

428329351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 51840, while the sum is 37.

The square root of 428329351 is about 20696.1192255940. The cubic root of 428329351 is about 753.8054592421.

The spelling of 428329351 in words is "four hundred twenty-eight million, three hundred twenty-nine thousand, three hundred fifty-one".