428529900097 has 12 divisors (see below), whose sum is σ = 461813364796. Its totient is φ = 395292283200.

The previous prime is 428529900079. The next prime is 428529900119. The reversal of 428529900097 is 790009925824.

It can be written as a sum of positive squares in 6 ways, for example, as 254854338561 + 173675561536 = 504831^2 + 416744^2 .

It is not a de Polignac number, because 428529900097 - 2¹⁹ = 428529375809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (428529900497) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34830847 + ... + 34843147.

Almost surely, 2^428529900097 is an apocalyptic number.

It is an amenable number.

428529900097 is a deficient number, since it is larger than the sum of its proper divisors (33283464699).

428529900097 is an equidigital number, since it uses as much as digits as its factorization.

428529900097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15588 (or 13951 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 428529900097 in words is "four hundred twenty-eight billion, five hundred twenty-nine million, nine hundred thousand, ninety-seven".