2117454716 has 24 divisors (see below), whose sum is σ = 4075498560. Its totient is φ = 956492352.

The previous prime is 2117454709. The next prime is 2117454767. The reversal of 2117454716 is 6174547112.

It is a super-2 number, since 2×2117454716² = 8967228948621281312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2117454716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 430751 + ... + 435638.

It is an arithmetic number, because the mean of its divisors is an integer number (169812440).

Almost surely, 2^2117454716 is an apocalyptic number.

2117454716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2117454716 is a deficient number, since it is larger than the sum of its proper divisors (1958043844).

2117454716 is a wasteful number, since it uses less digits than its factorization.

2117454716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 866453 (or 866451 counting only the distinct ones).

The product of its digits is 47040, while the sum is 38.

The square root of 2117454716 is about 46015.8094137221. The cubic root of 2117454716 is about 1284.1173398133.

It can be divided in two parts, 2 and 117454716, that multiplied together give a palindrome (234909432).

The spelling of 2117454716 in words is "two billion, one hundred seventeen million, four hundred fifty-four thousand, seven hundred sixteen".