244890506137 has 16 divisors (see below), whose sum is σ = 247630993344. Its totient is φ = 242166600000.

The previous prime is 244890506131. The next prime is 244890506141. The reversal of 244890506137 is 731605098442.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-244890506137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (244890506131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93432687 + ... + 93435307.

It is an arithmetic number, because the mean of its divisors is an integer number (15476937084).

It is a 1-persistent number, because it is pandigital, but 2⋅244890506137 = 489781012274 is not.

Almost surely, 2^244890506137 is an apocalyptic number.

It is an amenable number.

244890506137 is a deficient number, since it is larger than the sum of its proper divisors (2740487207).

244890506137 is a wasteful number, since it uses less digits than its factorization.

244890506137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5400.

The product of its (nonzero) digits is 1451520, while the sum is 49.

The spelling of 244890506137 in words is "two hundred forty-four billion, eight hundred ninety million, five hundred six thousand, one hundred thirty-seven".