64372046500243 has 2 divisors, whose sum is σ = 64372046500244. Its totient is φ = 64372046500242.

The previous prime is 64372046500241. The next prime is 64372046500439. The reversal of 64372046500243 is 34200564027346.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 64372046500243 - 2¹ = 64372046500241 is a prime.

Together with 64372046500241, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 64372046500193 and 64372046500202.

It is not a weakly prime, because it can be changed into another prime (64372046500241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32186023250121 + 32186023250122.

It is an arithmetic number, because the mean of its divisors is an integer number (32186023250122).

Almost surely, 2^{64372046500243} is an apocalyptic number.

64372046500243 is a deficient number, since it is larger than the sum of its proper divisors (1).

64372046500243 is an equidigital number, since it uses as much as digits as its factorization.

64372046500243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2903040, while the sum is 46.

The spelling of 64372046500243 in words is "sixty-four trillion, three hundred seventy-two billion, forty-six million, five hundred thousand, two hundred forty-three".