2043063487181 has 2 divisors, whose sum is σ = 2043063487182. Its totient is φ = 2043063487180.

The previous prime is 2043063487061. The next prime is 2043063487189. The reversal of 2043063487181 is 1817843603402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1763143131556 + 279920355625 = 1327834^2 + 529075^2 .

It is a cyclic number.

It is not a de Polignac number, because 2043063487181 - 2²² = 2043059292877 is a prime.

It is a super-2 number, since 2×2043063487181² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2043063487189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1021531743590 + 1021531743591.

It is an arithmetic number, because the mean of its divisors is an integer number (1021531743591).

Almost surely, 2^{2043063487181} is an apocalyptic number.

It is an amenable number.

2043063487181 is a deficient number, since it is larger than the sum of its proper divisors (1).

2043063487181 is an equidigital number, since it uses as much as digits as its factorization.

2043063487181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 2043063487181 in words is "two trillion, forty-three billion, sixty-three million, four hundred eighty-seven thousand, one hundred eighty-one".