245663634228647 has 8 divisors (see below), whose sum is σ = 247959941040000. Its totient is φ = 243367334547064.

The previous prime is 245663634228589. The next prime is 245663634228731. The reversal of 245663634228647 is 746822436366542.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 245663634228647 - 2¹⁴ = 245663634212263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (245663634228247) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88923854 + ... + 91644852.

It is an arithmetic number, because the mean of its divisors is an integer number (30994992630000).

Almost surely, 2^{245663634228647} is an apocalyptic number.

245663634228647 is a deficient number, since it is larger than the sum of its proper divisors (2296306811353).

245663634228647 is a wasteful number, since it uses less digits than its factorization.

245663634228647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564885.

The product of its digits is 1672151040, while the sum is 68.

The spelling of 245663634228647 in words is "two hundred forty-five trillion, six hundred sixty-three billion, six hundred thirty-four million, two hundred twenty-eight thousand, six hundred forty-seven".