245368518887 has 4 divisors (see below), whose sum is σ = 258282651480. Its totient is φ = 232454386296.

The previous prime is 245368518869. The next prime is 245368518907. The reversal of 245368518887 is 788815863542.

245368518887 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 245368518887 - 2¹² = 245368514791 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 (245368518587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6457066268 + ... + 6457066305.

It is an arithmetic number, because the mean of its divisors is an integer number (64570662870).

Almost surely, 2^245368518887 is an apocalyptic number.

245368518887 is a deficient number, since it is larger than the sum of its proper divisors (12914132593).

245368518887 is a wasteful number, since it uses less digits than its factorization.

245368518887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12914132592.

The product of its digits is 103219200, while the sum is 65.

The spelling of 245368518887 in words is "two hundred forty-five billion, three hundred sixty-eight million, five hundred eighteen thousand, eight hundred eighty-seven".