9628908129 has 15 divisors (see below), whose sum is σ = 14385243873. Its totient is φ = 6418683324.

The previous prime is 9628908119. The next prime is 9628908143. The reversal of 9628908129 is 9218098269.

The square root of 9628908129 is 98127.

It is a perfect power (a square), and thus also a powerful number.

9628908129 is a `hidden beast` number, since 9 + 628 + 9 + 0 + 8 + 1 + 2 + 9 = 666.

It is not a de Polignac number, because 9628908129 - 2¹³ = 9628899937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9628908119) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 877692 + ... + 888594.

Almost surely, 2^9628908129 is an apocalyptic number.

9628908129 is the 98127-th square number.

9628908129 is the 49064-th centered octagonal number.

It is an amenable number.

9628908129 is a deficient number, since it is larger than the sum of its proper divisors (4756335744).

9628908129 is an frugal number, since it uses more digits than its factorization.

9628908129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21818 (or 10906 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The cubic root of 9628908129 is about 2127.4482972316.

The spelling of 9628908129 in words is "nine billion, six hundred twenty-eight million, nine hundred eight thousand, one hundred twenty-nine".