2044690283281 has 2 divisors, whose sum is σ = 2044690283282. Its totient is φ = 2044690283280.

The previous prime is 2044690283269. The next prime is 2044690283309. The reversal of 2044690283281 is 1823820964402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1361984695681 + 682705587600 = 1167041^2 + 826260^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044690283281 - 2⁵ = 2044690283249 is a prime.

It is a super-2 number, since 2×2044690283281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2044690283261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022345141640 + 1022345141641.

It is an arithmetic number, because the mean of its divisors is an integer number (1022345141641).

Almost surely, 2^{2044690283281} is an apocalyptic number.

It is an amenable number.

2044690283281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044690283281 is an equidigital number, since it uses as much as digits as its factorization.

2044690283281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1327104, while the sum is 49.

The spelling of 2044690283281 in words is "two trillion, forty-four billion, six hundred ninety million, two hundred eighty-three thousand, two hundred eighty-one".