2116415471 has 4 divisors (see below), whose sum is σ = 2116722432. Its totient is φ = 2116108512.

The previous prime is 2116415467. The next prime is 2116415537. The reversal of 2116415471 is 1745146112.

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

It is a cyclic number.

It is not a de Polignac number, because 2116415471 - 2² = 2116415467 is a prime.

It is a super-3 number, since 3×2116415471³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2116415401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142895 + ... + 157008.

It is an arithmetic number, because the mean of its divisors is an integer number (529180608).

Almost surely, 2^2116415471 is an apocalyptic number.

2116415471 is a deficient number, since it is larger than the sum of its proper divisors (306961).

2116415471 is an equidigital number, since it uses as much as digits as its factorization.

2116415471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306960.

The product of its digits is 6720, while the sum is 32.

The square root of 2116415471 is about 46004.5157674766. The cubic root of 2116415471 is about 1283.9072241966.

The spelling of 2116415471 in words is "two billion, one hundred sixteen million, four hundred fifteen thousand, four hundred seventy-one".