428674651 has 2 divisors, whose sum is σ = 428674652. Its totient is φ = 428674650.

The previous prime is 428674627. The next prime is 428674663. The reversal of 428674651 is 156476824.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 428674651 - 2⁹ = 428674139 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 428674598 and 428674607.

It is not a weakly prime, because it can be changed into another prime (428674681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 214337325 + 214337326.

It is an arithmetic number, because the mean of its divisors is an integer number (214337326).

Almost surely, 2^428674651 is an apocalyptic number.

428674651 is a deficient number, since it is larger than the sum of its proper divisors (1).

428674651 is an equidigital number, since it uses as much as digits as its factorization.

428674651 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 322560, while the sum is 43.

The square root of 428674651 is about 20704.4596886758. The cubic root of 428674651 is about 754.0079662703.

The spelling of 428674651 in words is "four hundred twenty-eight million, six hundred seventy-four thousand, six hundred fifty-one".