44103621869 has 2 divisors, whose sum is σ = 44103621870. Its totient is φ = 44103621868.

The previous prime is 44103621833. The next prime is 44103621893. The reversal of 44103621869 is 96812630144.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30471891844 + 13631730025 = 174562^2 + 116755^2 .

It is a cyclic number.

It is not a de Polignac number, because 44103621869 - 2⁸ = 44103621613 is a prime.

It is a super-2 number, since 2×44103621869² (a number of 22 digits) contains 22 as substring.

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 (44103621269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22051810934 + 22051810935.

It is an arithmetic number, because the mean of its divisors is an integer number (22051810935).

Almost surely, 2^44103621869 is an apocalyptic number.

It is an amenable number.

44103621869 is a deficient number, since it is larger than the sum of its proper divisors (1).

44103621869 is an equidigital number, since it uses as much as digits as its factorization.

44103621869 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 44103621869 in words is "forty-four billion, one hundred three million, six hundred twenty-one thousand, eight hundred sixty-nine".