1428529601 has 6 divisors (see below), whose sum is σ = 1517504070. Its totient is φ = 1344498176.

The previous prime is 1428529591. The next prime is 1428529621. The reversal of 1428529601 is 1069258241.

It can be written as a sum of positive squares in 3 ways, for example, as 144024001 + 1284505600 = 12001^2 + 35840^2 .

It is a de Polignac number, because none of the positive numbers 2^k-1428529601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1428529621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2471216 + ... + 2471793.

It is an arithmetic number, because the mean of its divisors is an integer number (252917345).

Almost surely, 2^1428529601 is an apocalyptic number.

It is an amenable number.

1428529601 is a deficient number, since it is larger than the sum of its proper divisors (88974469).

1428529601 is an equidigital number, since it uses as much as digits as its factorization.

1428529601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943043 (or 4943026 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 1428529601 is about 37795.8939701127. The cubic root of 1428529601 is about 1126.2368884198.

The spelling of 1428529601 in words is "one billion, four hundred twenty-eight million, five hundred twenty-nine thousand, six hundred one".