6404804743 has 2 divisors, whose sum is σ = 6404804744. Its totient is φ = 6404804742.

The previous prime is 6404804741. The next prime is 6404804771. The reversal of 6404804743 is 3474084046.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6404804743 - 2¹ = 6404804741 is a prime.

Together with 6404804741, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 6404804696 and 6404804705.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6404804741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3202402371 + 3202402372.

It is an arithmetic number, because the mean of its divisors is an integer number (3202402372).

Almost surely, 2^6404804743 is an apocalyptic number.

6404804743 is a deficient number, since it is larger than the sum of its proper divisors (1).

6404804743 is an equidigital number, since it uses as much as digits as its factorization.

6404804743 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 40.

The square root of 6404804743 is about 80030.0240097427. The cubic root of 6404804743 is about 1857.1000347548.

Adding to 6404804743 its reverse (3474084046), we get a palindrome (9878888789).

The spelling of 6404804743 in words is "six billion, four hundred four million, eight hundred four thousand, seven hundred forty-three".