44689339769 has 2 divisors, whose sum is σ = 44689339770. Its totient is φ = 44689339768.

The previous prime is 44689339763. The next prime is 44689339831. The reversal of 44689339769 is 96793398644.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 34880418169 + 9808921600 = 186763^2 + 99040^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44689339769 is a prime.

It is a super-2 number, since 2×44689339769² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44689339699 and 44689339708.

It is not a weakly prime, because it can be changed into another prime (44689339763) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22344669884 + 22344669885.

It is an arithmetic number, because the mean of its divisors is an integer number (22344669885).

Almost surely, 2^44689339769 is an apocalyptic number.

It is an amenable number.

44689339769 is a deficient number, since it is larger than the sum of its proper divisors (1).

44689339769 is an equidigital number, since it uses as much as digits as its factorization.

44689339769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 211631616, while the sum is 68.

The spelling of 44689339769 in words is "forty-four billion, six hundred eighty-nine million, three hundred thirty-nine thousand, seven hundred sixty-nine".