9596913621 has 4 divisors (see below), whose sum is σ = 12795884832. Its totient is φ = 6397942412.

The previous prime is 9596913577. The next prime is 9596913631. The reversal of 9596913621 is 1263196959.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9596913621 - 2²³ = 9588525013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9596913631) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1599485601 + ... + 1599485606.

It is an arithmetic number, because the mean of its divisors is an integer number (3198971208).

Almost surely, 2^9596913621 is an apocalyptic number.

It is an amenable number.

9596913621 is a deficient number, since it is larger than the sum of its proper divisors (3198971211).

9596913621 is a wasteful number, since it uses less digits than its factorization.

9596913621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3198971210.

The product of its digits is 787320, while the sum is 51.

The square root of 9596913621 is about 97963.8383333360. The cubic root of 9596913621 is about 2125.0893523490.

The spelling of 9596913621 in words is "nine billion, five hundred ninety-six million, nine hundred thirteen thousand, six hundred twenty-one".