544252123489 has 2 divisors, whose sum is σ = 544252123490. Its totient is φ = 544252123488.

The previous prime is 544252123483. The next prime is 544252123507. The reversal of 544252123489 is 984321252445.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 532948181089 + 11303942400 = 730033^2 + 106320^2 .

It is a cyclic number.

It is not a de Polignac number, because 544252123489 - 2¹⁵ = 544252090721 is a prime.

It is not a weakly prime, because it can be changed into another prime (544252123483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 272126061744 + 272126061745.

It is an arithmetic number, because the mean of its divisors is an integer number (272126061745).

Almost surely, 2^544252123489 is an apocalyptic number.

It is an amenable number.

544252123489 is a deficient number, since it is larger than the sum of its proper divisors (1).

544252123489 is an equidigital number, since it uses as much as digits as its factorization.

544252123489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2764800, while the sum is 49.

The spelling of 544252123489 in words is "five hundred forty-four billion, two hundred fifty-two million, one hundred twenty-three thousand, four hundred eighty-nine".