9613620204129 has 12 divisors (see below), whose sum is σ = 13886485773732. Its totient is φ = 6409012992000.

The previous prime is 9613620204121. The next prime is 9613620204143. The reversal of 9613620204129 is 9214020263169.

9613620204129 is a `hidden beast` number, since 9 + 6 + 1 + 3 + 620 + 2 + 0 + 4 + 12 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1702046390625 + 7911573813504 = 1304625^2 + 2812752^2 .

It is not a de Polignac number, because 9613620204129 - 2³ = 9613620204121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9613620204121) 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, 4680672 + ... + 6413729.

It is an arithmetic number, because the mean of its divisors is an integer number (1157207147811).

Almost surely, 2^{9613620204129} is an apocalyptic number.

It is an amenable number.

9613620204129 is a deficient number, since it is larger than the sum of its proper divisors (4272865569603).

9613620204129 is a wasteful number, since it uses less digits than its factorization.

9613620204129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11190688 (or 11190685 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 9613620204129 in words is "nine trillion, six hundred thirteen billion, six hundred twenty million, two hundred four thousand, one hundred twenty-nine".