245727714646665 has 224 divisors, whose sum is σ = 462002684774400. Its totient is φ = 125283582005760.

The previous prime is 245727714646627. The next prime is 245727714646691. The reversal of 245727714646665 is 566646417727542.

It is not a de Polignac number, because 245727714646665 - 2⁸ = 245727714646409 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 245727714646593 and 245727714646602.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 16797293571 + ... + 16797308199.

It is an arithmetic number, because the mean of its divisors is an integer number (2062511985600).

Almost surely, 2^{245727714646665} is an apocalyptic number.

It is an amenable number.

245727714646665 is a deficient number, since it is larger than the sum of its proper divisors (216274970127735).

245727714646665 is a wasteful number, since it uses less digits than its factorization.

245727714646665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16859 (or 16844 counting only the distinct ones).

The product of its digits is 2844979200, while the sum is 72.

The spelling of 245727714646665 in words is "two hundred forty-five trillion, seven hundred twenty-seven billion, seven hundred fourteen million, six hundred forty-six thousand, six hundred sixty-five".