6662443031 has 4 divisors (see below), whose sum is σ = 6672085464. Its totient is φ = 6652800600.

The previous prime is 6662443001. The next prime is 6662443111. The reversal of 6662443031 is 1303442666.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6662443031 is a prime.

It is a super-2 number, since 2×6662443031² = 88776294282640933922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6662442982 and 6662443000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6662443001) 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, 4820180 + ... + 4821561.

It is an arithmetic number, because the mean of its divisors is an integer number (1668021366).

Almost surely, 2^6662443031 is an apocalyptic number.

6662443031 is a deficient number, since it is larger than the sum of its proper divisors (9642433).

6662443031 is an equidigital number, since it uses as much as digits as its factorization.

6662443031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9642432.

The product of its (nonzero) digits is 62208, while the sum is 35.

The square root of 6662443031 is about 81623.7896143030. The cubic root of 6662443031 is about 1881.6745144628.

Adding to 6662443031 its reverse (1303442666), we get a palindrome (7965885697).

The spelling of 6662443031 in words is "six billion, six hundred sixty-two million, four hundred forty-three thousand, thirty-one".