6700443401 has 4 divisors (see below), whose sum is σ = 6701362500. Its totient is φ = 6699524304.

The previous prime is 6700443397. The next prime is 6700443403. The reversal of 6700443401 is 1043440076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5413427776 + 1287015625 = 73576^2 + 35875^2 .

It is a cyclic number.

It is not a de Polignac number, because 6700443401 - 2² = 6700443397 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6700443403) 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, 448526 + ... + 463223.

It is an arithmetic number, because the mean of its divisors is an integer number (1675340625).

Almost surely, 2^6700443401 is an apocalyptic number.

It is an amenable number.

6700443401 is a deficient number, since it is larger than the sum of its proper divisors (919099).

6700443401 is an equidigital number, since it uses as much as digits as its factorization.

6700443401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919098.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 6700443401 is about 81856.2361766042. The cubic root of 6700443401 is about 1885.2452172268.

Adding to 6700443401 its reverse (1043440076), we get a palindrome (7743883477).

The spelling of 6700443401 in words is "six billion, seven hundred million, four hundred forty-three thousand, four hundred one".