244638602797 has 4 divisors (see below), whose sum is σ = 246564891136. Its totient is φ = 242712314460.

The previous prime is 244638602753. The next prime is 244638602809. The reversal of 244638602797 is 797206836442.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 244638602797 - 2³¹ = 242491119149 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 (244638602707) 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, 963143979 + ... + 963144232.

It is an arithmetic number, because the mean of its divisors is an integer number (61641222784).

Almost surely, 2^244638602797 is an apocalyptic number.

It is an amenable number.

244638602797 is a deficient number, since it is larger than the sum of its proper divisors (1926288339).

244638602797 is a wasteful number, since it uses less digits than its factorization.

244638602797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1926288338.

The product of its (nonzero) digits is 24385536, while the sum is 58.

The spelling of 244638602797 in words is "two hundred forty-four billion, six hundred thirty-eight million, six hundred two thousand, seven hundred ninety-seven".