247032354047 has 4 divisors (see below), whose sum is σ = 253057533456. Its totient is φ = 241007174640.

The previous prime is 247032354011. The next prime is 247032354067. The reversal of 247032354047 is 740453230742.

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 247032354047 - 2⁸ = 247032353791 is a prime.

It is a super-2 number, since 2×247032354047² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 6025179367 = 247032354047 / (2 + 4 + 7 + 0 + 3 + 2 + 3 + 5 + 4 + 0 + 4 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 247032353995 and 247032354013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247032354067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3012589643 + ... + 3012589724.

It is an arithmetic number, because the mean of its divisors is an integer number (63264383364).

Almost surely, 2^247032354047 is an apocalyptic number.

247032354047 is a deficient number, since it is larger than the sum of its proper divisors (6025179409).

247032354047 is an equidigital number, since it uses as much as digits as its factorization.

247032354047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6025179408.

The product of its (nonzero) digits is 564480, while the sum is 41.

Adding to 247032354047 its reverse (740453230742), we get a palindrome (987485584789).

The spelling of 247032354047 in words is "two hundred forty-seven billion, thirty-two million, three hundred fifty-four thousand, forty-seven".