443143044311402 has 4 divisors (see below), whose sum is σ = 664714566467106. Its totient is φ = 221571522155700.

The previous prime is 443143044311321. The next prime is 443143044311437. The reversal of 443143044311402 is 204113440341344.

It is a happy number.

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., 405972086265001 + 37170958046401 = 20148749^2 + 6096799^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110785761077849 + ... + 110785761077852.

Almost surely, 2^{443143044311402} is an apocalyptic number.

443143044311402 is a deficient number, since it is larger than the sum of its proper divisors (221571522155704).

443143044311402 is a wasteful number, since it uses less digits than its factorization.

443143044311402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221571522155703.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 443143044311402 its reverse (204113440341344), we get a palindrome (647256484652746).

The spelling of 443143044311402 in words is "four hundred forty-three trillion, one hundred forty-three billion, forty-four million, three hundred eleven thousand, four hundred two".