1443513011 has 12 divisors (see below), whose sum is σ = 1525155192. Its totient is φ = 1366041024.

The previous prime is 1443513007. The next prime is 1443513013. The reversal of 1443513011 is 1103153441.

It is a happy number.

It is not a de Polignac number, because 1443513011 - 2² = 1443513007 is a prime.

It is a super-2 number, since 2×1443513011² = 4167459625852572242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1443513013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 466676 + ... + 469758.

It is an arithmetic number, because the mean of its divisors is an integer number (127096266).

Almost surely, 2^1443513011 is an apocalyptic number.

1443513011 is a deficient number, since it is larger than the sum of its proper divisors (81642181).

1443513011 is a wasteful number, since it uses less digits than its factorization.

1443513011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4399 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1443513011 is about 37993.5917096555. The cubic root of 1443513011 is about 1130.1607861114.

Adding to 1443513011 its reverse (1103153441), we get a palindrome (2546666452).

The spelling of 1443513011 in words is "one billion, four hundred forty-three million, five hundred thirteen thousand, eleven".