2114917817 has 4 divisors (see below), whose sum is σ = 2172077796. Its totient is φ = 2057757840.

The previous prime is 2114917813. The next prime is 2114917823. The reversal of 2114917817 is 7187194112.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1512509881 + 602407936 = 38891^2 + 24544^2 .

It is a cyclic number.

It is not a de Polignac number, because 2114917817 - 2² = 2114917813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2114917811) 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, 28579934 + ... + 28580007.

It is an arithmetic number, because the mean of its divisors is an integer number (543019449).

Almost surely, 2^2114917817 is an apocalyptic number.

It is an amenable number.

2114917817 is a deficient number, since it is larger than the sum of its proper divisors (57159979).

2114917817 is an equidigital number, since it uses as much as digits as its factorization.

2114917817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57159978.

The product of its digits is 28224, while the sum is 41.

The square root of 2114917817 is about 45988.2356369539. The cubic root of 2114917817 is about 1283.6043059599.

The spelling of 2114917817 in words is "two billion, one hundred fourteen million, nine hundred seventeen thousand, eight hundred seventeen".