440021103101249 has 2 divisors, whose sum is σ = 440021103101250. Its totient is φ = 440021103101248.

The previous prime is 440021103101189. The next prime is 440021103101287. The reversal of 440021103101249 is 942101301120044.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 422639875054849 + 17381228046400 = 20558207^2 + 4169080^2 .

It is a cyclic number.

It is not a de Polignac number, because 440021103101249 - 2³⁶ = 439952383624513 is a prime.

It is not a weakly prime, because it can be changed into another prime (440021103101299) 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, 220010551550624 + 220010551550625.

It is an arithmetic number, because the mean of its divisors is an integer number (220010551550625).

Almost surely, 2^{440021103101249} is an apocalyptic number.

It is an amenable number.

440021103101249 is a deficient number, since it is larger than the sum of its proper divisors (1).

440021103101249 is an equidigital number, since it uses as much as digits as its factorization.

440021103101249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 32.

The spelling of 440021103101249 in words is "four hundred forty trillion, twenty-one billion, one hundred three million, one hundred one thousand, two hundred forty-nine".