2117193626 has 4 divisors (see below), whose sum is σ = 3175790442. Its totient is φ = 1058596812.

The previous prime is 2117193619. The next prime is 2117193641. The reversal of 2117193626 is 6263917112.

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

It can be written as a sum of positive squares in only one way, i.e., 1809226225 + 307967401 = 42535^2 + 17549^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2117193626.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 529298405 + ... + 529298408.

Almost surely, 2^2117193626 is an apocalyptic number.

2117193626 is a deficient number, since it is larger than the sum of its proper divisors (1058596816).

2117193626 is a wasteful number, since it uses less digits than its factorization.

2117193626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1058596815.

The product of its digits is 27216, while the sum is 38.

The square root of 2117193626 is about 46012.9723664968. The cubic root of 2117193626 is about 1284.0645588377.

The spelling of 2117193626 in words is "two billion, one hundred seventeen million, one hundred ninety-three thousand, six hundred twenty-six".