1473454321 has 4 divisors (see below), whose sum is σ = 1481971572. Its totient is φ = 1464937072.

The previous prime is 1473454309. The next prime is 1473454331. The reversal of 1473454321 is 1234543741.

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 530657296 + 942797025 = 23036^2 + 30705^2 .

It is a cyclic number.

It is not a de Polignac number, because 1473454321 - 2¹¹ = 1473452273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1473454331) 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, 4258366 + ... + 4258711.

It is an arithmetic number, because the mean of its divisors is an integer number (370492893).

Almost surely, 2^1473454321 is an apocalyptic number.

It is an amenable number.

1473454321 is a deficient number, since it is larger than the sum of its proper divisors (8517251).

1473454321 is an equidigital number, since it uses as much as digits as its factorization.

1473454321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8517250.

The product of its digits is 40320, while the sum is 34.

The square root of 1473454321 is about 38385.6004381852. The cubic root of 1473454321 is about 1137.9212968449.

The spelling of 1473454321 in words is "one billion, four hundred seventy-three million, four hundred fifty-four thousand, three hundred twenty-one".