6456387454343 has 2 divisors, whose sum is σ = 6456387454344. Its totient is φ = 6456387454342.

The previous prime is 6456387454331. The next prime is 6456387454409. The reversal of 6456387454343 is 3434547836546.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6456387454343 - 2²⁸ = 6456119018887 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6456387454243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3228193727171 + 3228193727172.

It is an arithmetic number, because the mean of its divisors is an integer number (3228193727172).

Almost surely, 2^{6456387454343} is an apocalyptic number.

6456387454343 is a deficient number, since it is larger than the sum of its proper divisors (1).

6456387454343 is an equidigital number, since it uses as much as digits as its factorization.

6456387454343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 348364800, while the sum is 62.

The spelling of 6456387454343 in words is "six trillion, four hundred fifty-six billion, three hundred eighty-seven million, four hundred fifty-four thousand, three hundred forty-three".