4531468921 has 16 divisors (see below), whose sum is σ = 5502205440. Its totient is φ = 3648818880.

The previous prime is 4531468891. The next prime is 4531468937. The reversal of 4531468921 is 1298641354.

It is not a de Polignac number, because 4531468921 - 2¹³ = 4531460729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4531468421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 294145 + ... + 309166.

It is an arithmetic number, because the mean of its divisors is an integer number (343887840).

Almost surely, 2^4531468921 is an apocalyptic number.

It is an amenable number.

4531468921 is a deficient number, since it is larger than the sum of its proper divisors (970736519).

4531468921 is a wasteful number, since it uses less digits than its factorization.

4531468921 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603384.

The product of its digits is 207360, while the sum is 43.

The square root of 4531468921 is about 67316.1861739062. The cubic root of 4531468921 is about 1654.8031359805.

The spelling of 4531468921 in words is "four billion, five hundred thirty-one million, four hundred sixty-eight thousand, nine hundred twenty-one".