2054432321 has 4 divisors (see below), whose sum is σ = 2072613252. Its totient is φ = 2036251392.

The previous prime is 2054432309. The next prime is 2054432339. The reversal of 2054432321 is 1232344502.

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

It can be written as a sum of positive squares in 2 ways, for example, as 23668225 + 2030764096 = 4865^2 + 45064^2 .

It is a cyclic number.

It is not a de Polignac number, because 2054432321 - 2¹⁸ = 2054170177 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054432621) 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, 9090296 + ... + 9090521.

It is an arithmetic number, because the mean of its divisors is an integer number (518153313).

Almost surely, 2^2054432321 is an apocalyptic number.

It is an amenable number.

2054432321 is a deficient number, since it is larger than the sum of its proper divisors (18180931).

2054432321 is a wasteful number, since it uses less digits than its factorization.

2054432321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18180930.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 2054432321 is about 45325.8460593953. The cubic root of 2054432321 is about 1271.2489668224.

Adding to 2054432321 its reverse (1232344502), we get a palindrome (3286776823).

The spelling of 2054432321 in words is "two billion, fifty-four million, four hundred thirty-two thousand, three hundred twenty-one".