244530713261 has 2 divisors, whose sum is σ = 244530713262. Its totient is φ = 244530713260.

The previous prime is 244530713233. The next prime is 244530713291. The reversal of 244530713261 is 162317035442.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 180017761225 + 64512952036 = 424285^2 + 253994^2 .

It is a cyclic number.

It is not a de Polignac number, because 244530713261 - 2¹⁴ = 244530696877 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (244530713201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122265356630 + 122265356631.

It is an arithmetic number, because the mean of its divisors is an integer number (122265356631).

Almost surely, 2^244530713261 is an apocalyptic number.

It is an amenable number.

244530713261 is a deficient number, since it is larger than the sum of its proper divisors (1).

244530713261 is an equidigital number, since it uses as much as digits as its factorization.

244530713261 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 244530713261 in words is "two hundred forty-four billion, five hundred thirty million, seven hundred thirteen thousand, two hundred sixty-one".