1443721714 has 4 divisors (see below), whose sum is σ = 2165582574. Its totient is φ = 721860856.

The previous prime is 1443721711. The next prime is 1443721757. The reversal of 1443721714 is 4171273441.

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

It can be written as a sum of positive squares in only one way, i.e., 1436789025 + 6932689 = 37905^2 + 2633^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1443721714.

It is not an unprimeable number, because it can be changed into a prime (1443721711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 360930427 + ... + 360930430.

Almost surely, 2^1443721714 is an apocalyptic number.

1443721714 is a deficient number, since it is larger than the sum of its proper divisors (721860860).

1443721714 is an equidigital number, since it uses as much as digits as its factorization.

1443721714 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 721860859.

The product of its digits is 18816, while the sum is 34.

The square root of 1443721714 is about 37996.3381656706. The cubic root of 1443721714 is about 1130.2152496732.

The spelling of 1443721714 in words is "one billion, four hundred forty-three million, seven hundred twenty-one thousand, seven hundred fourteen".