9937213613 has 8 divisors (see below), whose sum is σ = 10178335200. Its totient is φ = 9696547728.

The previous prime is 9937213603. The next prime is 9937213621. The reversal of 9937213613 is 3163127399.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9937213613 - 2³⁰ = 8863471789 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 (9937213603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69578 + ... + 157211.

It is an arithmetic number, because the mean of its divisors is an integer number (1272291900).

Almost surely, 2^9937213613 is an apocalyptic number.

It is an amenable number.

9937213613 is a deficient number, since it is larger than the sum of its proper divisors (241121587).

9937213613 is a wasteful number, since it uses less digits than its factorization.

9937213613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 227851.

The product of its digits is 183708, while the sum is 44.

The square root of 9937213613 is about 99685.5737456529. The cubic root of 9937213613 is about 2149.9162479003.

The spelling of 9937213613 in words is "nine billion, nine hundred thirty-seven million, two hundred thirteen thousand, six hundred thirteen".