2000867931281 has 2 divisors, whose sum is σ = 2000867931282. Its totient is φ = 2000867931280.

The previous prime is 2000867931211. The next prime is 2000867931317. The reversal of 2000867931281 is 1821397680002.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1994193041281 + 6674890000 = 1412159^2 + 81700^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2000867931281 is a prime.

It is a super-2 number, since 2×2000867931281² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2000867931211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000433965640 + 1000433965641.

It is an arithmetic number, because the mean of its divisors is an integer number (1000433965641).

Almost surely, 2^{2000867931281} is an apocalyptic number.

It is an amenable number.

2000867931281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000867931281 is an equidigital number, since it uses as much as digits as its factorization.

2000867931281 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 47.

The spelling of 2000867931281 in words is "two trillion, eight hundred sixty-seven million, nine hundred thirty-one thousand, two hundred eighty-one".