245287064449 has 8 divisors (see below), whose sum is σ = 281362496768. Its totient is φ = 209470237920.

The previous prime is 245287064411. The next prime is 245287064453. The reversal of 245287064449 is 944460782542.

245287064449 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 245287064449 - 2⁹ = 245287063937 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 245287064449.

It is not an unprimeable number, because it can be changed into a prime (245287064459) 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 7 ways as a sum of consecutive naturals, for example, 64649412 + ... + 64653205.

It is an arithmetic number, because the mean of its divisors is an integer number (35170312096).

Almost surely, 2^245287064449 is an apocalyptic number.

It is an amenable number.

245287064449 is a deficient number, since it is larger than the sum of its proper divisors (36075432319).

245287064449 is a wasteful number, since it uses less digits than its factorization.

245287064449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129302895.

The product of its (nonzero) digits is 15482880, while the sum is 55.

The spelling of 245287064449 in words is "two hundred forty-five billion, two hundred eighty-seven million, sixty-four thousand, four hundred forty-nine".