45393924321 has 12 divisors (see below), whose sum is σ = 65617196580. Its totient is φ = 30240372480.

The previous prime is 45393924287. The next prime is 45393924343. The reversal of 45393924321 is 12342939354.

45393924321 is a `hidden beast` number, since 4 + 539 + 3 + 92 + 4 + 3 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8754222096 + 36639702225 = 93564^2 + 191415^2 .

It is not a de Polignac number, because 45393924321 - 2⁷ = 45393924193 is a prime.

It is a super-2 number, since 2×45393924321² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (45393926321) 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, 1840716 + ... + 1865213.

It is an arithmetic number, because the mean of its divisors is an integer number (5468099715).

Almost surely, 2^45393924321 is an apocalyptic number.

It is an amenable number.

45393924321 is a deficient number, since it is larger than the sum of its proper divisors (20223272259).

45393924321 is a wasteful number, since it uses less digits than its factorization.

45393924321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3707296 (or 3707293 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The spelling of 45393924321 in words is "forty-five billion, three hundred ninety-three million, nine hundred twenty-four thousand, three hundred twenty-one".