2044681431077 has 2 divisors, whose sum is σ = 2044681431078. Its totient is φ = 2044681431076.

The previous prime is 2044681431031. The next prime is 2044681431197. The reversal of 2044681431077 is 7701341864402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1997046622561 + 47634808516 = 1413169^2 + 218254^2 .

It is a cyclic number.

It is not a de Polignac number, because 2044681431077 - 2⁸ = 2044681430821 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2044681431277) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022340715538 + 1022340715539.

It is an arithmetic number, because the mean of its divisors is an integer number (1022340715539).

Almost surely, 2^{2044681431077} is an apocalyptic number.

It is an amenable number.

2044681431077 is a deficient number, since it is larger than the sum of its proper divisors (1).

2044681431077 is an equidigital number, since it uses as much as digits as its factorization.

2044681431077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 2044681431077 in words is "two trillion, forty-four billion, six hundred eighty-one million, four hundred thirty-one thousand, seventy-seven".