8436121353 has 128 divisors (see below), whose sum is σ = 14876006400. Its totient is φ = 4670265600.

The previous prime is 8436121307. The next prime is 8436121403. The reversal of 8436121353 is 3531216348.

8436121353 is a `hidden beast` number, since 8 + 4 + 3 + 612 + 1 + 35 + 3 = 666.

It is not a de Polignac number, because 8436121353 - 2²⁰ = 8435072777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8436122353) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 20038083 + ... + 20038503.

It is an arithmetic number, because the mean of its divisors is an integer number (116218800).

Almost surely, 2^8436121353 is an apocalyptic number.

It is an amenable number.

8436121353 is a deficient number, since it is larger than the sum of its proper divisors (6439885047).

8436121353 is a wasteful number, since it uses less digits than its factorization.

8436121353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 574 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 8436121353 is about 91848.3606440529. The cubic root of 8436121353 is about 2035.7023257042.

The spelling of 8436121353 in words is "eight billion, four hundred thirty-six million, one hundred twenty-one thousand, three hundred fifty-three".