9830124901809 has 15 divisors (see below), whose sum is σ = 14684549721897. Its totient is φ = 6553397789388.

The previous prime is 9830124901799. The next prime is 9830124901853. The reversal of 9830124901809 is 9081094210389.

The square root of 9830124901809 is 3135303.

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

9830124901809 is a `hidden beast` number, since 98 + 301 + 249 + 0 + 1 + 8 + 0 + 9 = 666.

It is not a de Polignac number, because 9830124901809 - 2²³ = 9830116513201 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9830124901859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 28043544 + ... + 28391910.

Almost surely, 2^{9830124901809} is an apocalyptic number.

9830124901809 is the 3135303-rd square number.

9830124901809 is the 1567652-nd centered octagonal number.

It is an amenable number.

9830124901809 is a deficient number, since it is larger than the sum of its proper divisors (4854424820088).

9830124901809 is an frugal number, since it uses more digits than its factorization.

9830124901809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696746 (or 348370 counting only the distinct ones).

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

The spelling of 9830124901809 in words is "nine trillion, eight hundred thirty billion, one hundred twenty-four million, nine hundred one thousand, eight hundred nine".