44248407278489 has 2 divisors, whose sum is σ = 44248407278490. Its totient is φ = 44248407278488.

The previous prime is 44248407278479. The next prime is 44248407278527. The reversal of 44248407278489 is 98487270484244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29584983667264 + 14663423611225 = 5439208^2 + 3829285^2 .

It is a cyclic number.

It is not a de Polignac number, because 44248407278489 - 2³² = 44244112311193 is a prime.

It is a super-4 number, since 4×44248407278489⁴ (a number of 56 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (44248407278419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22124203639244 + 22124203639245.

It is an arithmetic number, because the mean of its divisors is an integer number (22124203639245).

Almost surely, 2^{44248407278489} is an apocalyptic number.

It is an amenable number.

44248407278489 is a deficient number, since it is larger than the sum of its proper divisors (1).

44248407278489 is an equidigital number, since it uses as much as digits as its factorization.

44248407278489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 924844032, while the sum is 71.

The spelling of 44248407278489 in words is "forty-four trillion, two hundred forty-eight billion, four hundred seven million, two hundred seventy-eight thousand, four hundred eighty-nine".