9436121357 has 4 divisors (see below), whose sum is σ = 10161976860. Its totient is φ = 8710265856.

The previous prime is 9436121339. The next prime is 9436121417. The reversal of 9436121357 is 7531216349.

9436121357 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5551591081 + 3884530276 = 74509^2 + 62326^2 .

It is a cyclic number.

It is not a de Polignac number, because 9436121357 - 2¹⁰ = 9436120333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9436121257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362927732 + ... + 362927757.

It is an arithmetic number, because the mean of its divisors is an integer number (2540494215).

Almost surely, 2^9436121357 is an apocalyptic number.

It is an amenable number.

9436121357 is a deficient number, since it is larger than the sum of its proper divisors (725855503).

9436121357 is a wasteful number, since it uses less digits than its factorization.

9436121357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725855502.

The product of its digits is 136080, while the sum is 41.

The square root of 9436121357 is about 97139.7002105730. The cubic root of 9436121357 is about 2113.1541184198.

The spelling of 9436121357 in words is "nine billion, four hundred thirty-six million, one hundred twenty-one thousand, three hundred fifty-seven".