444414653 has 2 divisors, whose sum is σ = 444414654. Its totient is φ = 444414652.

The previous prime is 444414623. The next prime is 444414673. The reversal of 444414653 is 356414444.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 444239929 + 174724 = 21077^2 + 418^2 .

It is a cyclic number.

It is not a de Polignac number, because 444414653 - 2²⁴ = 427637437 is a prime.

It is a super-2 number, since 2×444414653² = 395008767602220818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (444414623) 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, 222207326 + 222207327.

It is an arithmetic number, because the mean of its divisors is an integer number (222207327).

Almost surely, 2^444414653 is an apocalyptic number.

It is an amenable number.

444414653 is a deficient number, since it is larger than the sum of its proper divisors (1).

444414653 is an equidigital number, since it uses as much as digits as its factorization.

444414653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 35.

The square root of 444414653 is about 21081.1444898042. The cubic root of 444414653 is about 763.1257766425.

It can be divided in two parts, 44441 and 4653, that added together give a palindrome (49094).

The spelling of 444414653 in words is "four hundred forty-four million, four hundred fourteen thousand, six hundred fifty-three".