2117389354 has 8 divisors (see below), whose sum is σ = 3285604260. Its totient is φ = 1022187936.

The previous prime is 2117389349. The next prime is 2117389357. The reversal of 2117389354 is 4539837112.

It can be written as a sum of positive squares in 2 ways, for example, as 2095533729 + 21855625 = 45777^2 + 4675^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 2117389354.

It is not an unprimeable number, because it can be changed into a prime (2117389357) 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, 18253299 + ... + 18253414.

Almost surely, 2^2117389354 is an apocalyptic number.

2117389354 is a deficient number, since it is larger than the sum of its proper divisors (1168214906).

2117389354 is a wasteful number, since it uses less digits than its factorization.

2117389354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36506744.

The product of its digits is 181440, while the sum is 43.

The square root of 2117389354 is about 46015.0991958075. The cubic root of 2117389354 is about 1284.1041268835.

The spelling of 2117389354 in words is "two billion, one hundred seventeen million, three hundred eighty-nine thousand, three hundred fifty-four".