64195276407343 has 2 divisors, whose sum is σ = 64195276407344. Its totient is φ = 64195276407342.

The previous prime is 64195276407341. The next prime is 64195276407371. The reversal of 64195276407343 is 34370467259146.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64195276407343 - 2¹ = 64195276407341 is a prime.

Together with 64195276407341, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64195276407341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32097638203671 + 32097638203672.

It is an arithmetic number, because the mean of its divisors is an integer number (32097638203672).

Almost surely, 2^{64195276407343} is an apocalyptic number.

64195276407343 is a deficient number, since it is larger than the sum of its proper divisors (1).

64195276407343 is an equidigital number, since it uses as much as digits as its factorization.

64195276407343 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 91445760, while the sum is 61.

The spelling of 64195276407343 in words is "sixty-four trillion, one hundred ninety-five billion, two hundred seventy-six million, four hundred seven thousand, three hundred forty-three".