2152431473 has 4 divisors (see below), whose sum is σ = 2265717360. Its totient is φ = 2039145588.

The previous prime is 2152431461. The next prime is 2152431493. The reversal of 2152431473 is 3741342512.

2152431473 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2152431473 - 2⁶ = 2152431409 is a prime.

It is a super-2 number, since 2×2152431473² = 9265922491921899458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2152431493) 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, 56642915 + ... + 56642952.

It is an arithmetic number, because the mean of its divisors is an integer number (566429340).

Almost surely, 2^2152431473 is an apocalyptic number.

It is an amenable number.

2152431473 is a deficient number, since it is larger than the sum of its proper divisors (113285887).

2152431473 is a wasteful number, since it uses less digits than its factorization.

2152431473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113285886.

The product of its digits is 20160, while the sum is 32.

The square root of 2152431473 is about 46394.3043163706. The cubic root of 2152431473 is about 1291.1492418631.

Adding to 2152431473 its reverse (3741342512), we get a palindrome (5893773985).

The spelling of 2152431473 in words is "two billion, one hundred fifty-two million, four hundred thirty-one thousand, four hundred seventy-three".