244021140637 has 2 divisors, whose sum is σ = 244021140638. Its totient is φ = 244021140636.

The previous prime is 244021140619. The next prime is 244021140679. The reversal of 244021140637 is 736041120442.

244021140637 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 191236537636 + 52784603001 = 437306^2 + 229749^2 .

It is a cyclic number.

It is not a de Polignac number, because 244021140637 - 2³¹ = 241873656989 is a prime.

It is a super-3 number, since 3×244021140637³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244021140437) 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 as a sum of consecutive naturals, namely, 122010570318 + 122010570319.

It is an arithmetic number, because the mean of its divisors is an integer number (122010570319).

Almost surely, 2^244021140637 is an apocalyptic number.

It is an amenable number.

244021140637 is a deficient number, since it is larger than the sum of its proper divisors (1).

244021140637 is an equidigital number, since it uses as much as digits as its factorization.

244021140637 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 244021140637 in words is "two hundred forty-four billion, twenty-one million, one hundred forty thousand, six hundred thirty-seven".