1647238397059 has 4 divisors (see below), whose sum is σ = 1647398972520. Its totient is φ = 1647077821600.

The previous prime is 1647238397053. The next prime is 1647238397093. The reversal of 1647238397059 is 9507938327461.

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 1647238397059 - 2¹⁹ = 1647237872771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1647238397053) 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, 80272342 + ... + 80292859.

It is an arithmetic number, because the mean of its divisors is an integer number (411849743130).

It is a 1-persistent number, because it is pandigital, but 2⋅1647238397059 = 3294476794118 is not.

Almost surely, 2^{1647238397059} is an apocalyptic number.

1647238397059 is a deficient number, since it is larger than the sum of its proper divisors (160575461).

1647238397059 is a wasteful number, since it uses less digits than its factorization.

1647238397059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160575460.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 1647238397059 in words is "one trillion, six hundred forty-seven billion, two hundred thirty-eight million, three hundred ninety-seven thousand, fifty-nine".