1443020473 has 12 divisors (see below), whose sum is σ = 1470069972. Its totient is φ = 1416455040.

The previous prime is 1443020459. The next prime is 1443020521. The reversal of 1443020473 is 3740203441.

It can be written as a sum of positive squares in 2 ways, for example, as 186814224 + 1256206249 = 13668^2 + 35443^2 .

It is not a de Polignac number, because 1443020473 - 2²⁵ = 1409466041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443020443) 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, 2338461 + ... + 2339077.

It is an arithmetic number, because the mean of its divisors is an integer number (122505831).

Almost surely, 2^1443020473 is an apocalyptic number.

It is an amenable number.

1443020473 is a deficient number, since it is larger than the sum of its proper divisors (27049499).

1443020473 is an frugal number, since it uses more digits than its factorization.

1443020473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272 (or 1205 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 1443020473 is about 37987.1093003929. The cubic root of 1443020473 is about 1130.0322315708.

The spelling of 1443020473 in words is "one billion, four hundred forty-three million, twenty thousand, four hundred seventy-three".