6348801834989 has 2 divisors, whose sum is σ = 6348801834990. Its totient is φ = 6348801834988.

The previous prime is 6348801834979. The next prime is 6348801835021. The reversal of 6348801834989 is 9894381088436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4912171860964 + 1436629974025 = 2216342^2 + 1198595^2 .

It is a cyclic number.

It is not a de Polignac number, because 6348801834989 - 2²⁴ = 6348785057773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6348801834979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3174400917494 + 3174400917495.

It is an arithmetic number, because the mean of its divisors is an integer number (3174400917495).

Almost surely, 2^{6348801834989} is an apocalyptic number.

It is an amenable number.

6348801834989 is a deficient number, since it is larger than the sum of its proper divisors (1).

6348801834989 is an equidigital number, since it uses as much as digits as its factorization.

6348801834989 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 286654464, while the sum is 71.

The spelling of 6348801834989 in words is "six trillion, three hundred forty-eight billion, eight hundred one million, eight hundred thirty-four thousand, nine hundred eighty-nine".