64832198647 has 2 divisors, whose sum is σ = 64832198648. Its totient is φ = 64832198646.

The previous prime is 64832198621. The next prime is 64832198663. The reversal of 64832198647 is 74689123846.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 64832198647 - 2¹⁹ = 64831674359 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 64832198591 and 64832198600.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (64832198687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32416099323 + 32416099324.

It is an arithmetic number, because the mean of its divisors is an integer number (32416099324).

Almost surely, 2^64832198647 is an apocalyptic number.

64832198647 is a deficient number, since it is larger than the sum of its proper divisors (1).

64832198647 is an equidigital number, since it uses as much as digits as its factorization.

64832198647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13934592, while the sum is 58.

The spelling of 64832198647 in words is "sixty-four billion, eight hundred thirty-two million, one hundred ninety-eight thousand, six hundred forty-seven".