6346143334249 has 2 divisors, whose sum is σ = 6346143334250. Its totient is φ = 6346143334248.

The previous prime is 6346143334171. The next prime is 6346143334319. The reversal of 6346143334249 is 9424333416436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3350931608025 + 2995211726224 = 1830555^2 + 1730668^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6346143334249 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6346143334196 and 6346143334205.

It is not a weakly prime, because it can be changed into another prime (6346143334849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3173071667124 + 3173071667125.

It is an arithmetic number, because the mean of its divisors is an integer number (3173071667125).

Almost surely, 2^{6346143334249} is an apocalyptic number.

It is an amenable number.

6346143334249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6346143334249 is an equidigital number, since it uses as much as digits as its factorization.

6346143334249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 52.

The spelling of 6346143334249 in words is "six trillion, three hundred forty-six billion, one hundred forty-three million, three hundred thirty-four thousand, two hundred forty-nine".