1044635181377 has 2 divisors, whose sum is σ = 1044635181378. Its totient is φ = 1044635181376.

The previous prime is 1044635181353. The next prime is 1044635181379. The reversal of 1044635181377 is 7731815364401.

1044635181377 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 547125023041 + 497510158336 = 739679^2 + 705344^2 .

It is a cyclic number.

It is not a de Polignac number, because 1044635181377 - 2²⁴ = 1044618404161 is a prime.

It is a super-2 number, since 2×1044635181377² (a number of 25 digits) contains 22 as substring.

Together with 1044635181379, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1044635181379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 522317590688 + 522317590689.

It is an arithmetic number, because the mean of its divisors is an integer number (522317590689).

Almost surely, 2^{1044635181377} is an apocalyptic number.

It is an amenable number.

1044635181377 is a deficient number, since it is larger than the sum of its proper divisors (1).

1044635181377 is an equidigital number, since it uses as much as digits as its factorization.

1044635181377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 1044635181377 in words is "one trillion, forty-four billion, six hundred thirty-five million, one hundred eighty-one thousand, three hundred seventy-seven".