2152642471 has 12 divisors (see below), whose sum is σ = 2505126288. Its totient is φ = 1844361792.

The previous prime is 2152642463. The next prime is 2152642517. The reversal of 2152642471 is 1742462512.

2152642471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2152642471 - 2³ = 2152642463 is a prime.

It is a super-3 number, since 3×2152642471³ (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 (2152642171) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 133855 + ... + 149071.

It is an arithmetic number, because the mean of its divisors is an integer number (208760524).

Almost surely, 2^2152642471 is an apocalyptic number.

2152642471 is a deficient number, since it is larger than the sum of its proper divisors (352483817).

2152642471 is a wasteful number, since it uses less digits than its factorization.

2152642471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18118 (or 18111 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 2152642471 is about 46396.5782251235. The cubic root of 2152642471 is about 1291.1914299667.

The spelling of 2152642471 in words is "two billion, one hundred fifty-two million, six hundred forty-two thousand, four hundred seventy-one".