2117754471 has 24 divisors (see below), whose sum is σ = 3296601840. Its totient is φ = 1205753472.

The previous prime is 2117754467. The next prime is 2117754473. The reversal of 2117754471 is 1744577112.

It is not a de Polignac number, because 2117754471 - 2² = 2117754467 is a prime.

It is a super-3 number, since 3×2117754471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2117754473) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14715 + ... + 66723.

It is an arithmetic number, because the mean of its divisors is an integer number (137358410).

Almost surely, 2^2117754471 is an apocalyptic number.

2117754471 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2117754471 is a deficient number, since it is larger than the sum of its proper divisors (1178847369).

2117754471 is a wasteful number, since it uses less digits than its factorization.

2117754471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52303 (or 52296 counting only the distinct ones).

The product of its digits is 54880, while the sum is 39.

The square root of 2117754471 is about 46019.0663855754. The cubic root of 2117754471 is about 1284.1779318105.

The spelling of 2117754471 in words is "two billion, one hundred seventeen million, seven hundred fifty-four thousand, four hundred seventy-one".