44694663874477 has 2 divisors, whose sum is σ = 44694663874478. Its totient is φ = 44694663874476.

The previous prime is 44694663874423. The next prime is 44694663874577. The reversal of 44694663874477 is 77447836649644.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41272260073801 + 3422403800676 = 6424349^2 + 1849974^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-44694663874477 is a prime.

It is a super-2 number, since 2×44694663874477² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44694663874397 and 44694663874406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44694663874577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22347331937238 + 22347331937239.

It is an arithmetic number, because the mean of its divisors is an integer number (22347331937239).

Almost surely, 2^{44694663874477} is an apocalyptic number.

It is an amenable number.

44694663874477 is a deficient number, since it is larger than the sum of its proper divisors (1).

44694663874477 is an equidigital number, since it uses as much as digits as its factorization.

44694663874477 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16387080192, while the sum is 79.

The spelling of 44694663874477 in words is "forty-four trillion, six hundred ninety-four billion, six hundred sixty-three million, eight hundred seventy-four thousand, four hundred seventy-seven".