244540635655469 has 2 divisors, whose sum is σ = 244540635655470. Its totient is φ = 244540635655468.

The previous prime is 244540635655439. The next prime is 244540635655493. The reversal of 244540635655469 is 964556536045442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237030503682025 + 7510131973444 = 15395795^2 + 2740462^2 .

It is a cyclic number.

It is not a de Polignac number, because 244540635655469 - 2²⁰ = 244540634606893 is a prime.

It is a super-2 number, since 2×244540635655469² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 244540635655399 and 244540635655408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244540635655429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122270317827734 + 122270317827735.

It is an arithmetic number, because the mean of its divisors is an integer number (122270317827735).

Almost surely, 2^{244540635655469} is an apocalyptic number.

It is an amenable number.

244540635655469 is a deficient number, since it is larger than the sum of its proper divisors (1).

244540635655469 is an equidigital number, since it uses as much as digits as its factorization.

244540635655469 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1866240000, while the sum is 68.

The spelling of 244540635655469 in words is "two hundred forty-four trillion, five hundred forty billion, six hundred thirty-five million, six hundred fifty-five thousand, four hundred sixty-nine".