2116550613 has 4 divisors (see below), whose sum is σ = 2822067488. Its totient is φ = 1411033740.

The previous prime is 2116550533. The next prime is 2116550621. The reversal of 2116550613 is 3160556112.

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 not a de Polignac number, because 2116550613 - 2¹² = 2116546517 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 (2116550693) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 352758433 + ... + 352758438.

It is an arithmetic number, because the mean of its divisors is an integer number (705516872).

Almost surely, 2^2116550613 is an apocalyptic number.

It is an amenable number.

2116550613 is a deficient number, since it is larger than the sum of its proper divisors (705516875).

2116550613 is an equidigital number, since it uses as much as digits as its factorization.

2116550613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 705516874.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 2116550613 is about 46005.9845346233. The cubic root of 2116550613 is about 1283.9345512345.

The spelling of 2116550613 in words is "two billion, one hundred sixteen million, five hundred fifty thousand, six hundred thirteen".