64046306431243 has 4 divisors (see below), whose sum is σ = 64046353498960. Its totient is φ = 64046259363528.

The previous prime is 64046306431229. The next prime is 64046306431279. The reversal of 64046306431243 is 34213460364046.

64046306431243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64046306431243 - 2²¹ = 64046304334091 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 64046306431193 and 64046306431202.

It is not an unprimeable number, because it can be changed into a prime (64046306431543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21430080 + ... + 24235117.

It is an arithmetic number, because the mean of its divisors is an integer number (16011588374740).

Almost surely, 2^{64046306431243} is an apocalyptic number.

64046306431243 is a deficient number, since it is larger than the sum of its proper divisors (47067717).

64046306431243 is a wasteful number, since it uses less digits than its factorization.

64046306431243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47067716.

The product of its (nonzero) digits is 2985984, while the sum is 46.

Adding to 64046306431243 its reverse (34213460364046), we get a palindrome (98259766795289).

The spelling of 64046306431243 in words is "sixty-four trillion, forty-six billion, three hundred six million, four hundred thirty-one thousand, two hundred forty-three".