2029846984861 has 2 divisors, whose sum is σ = 2029846984862. Its totient is φ = 2029846984860.

The previous prime is 2029846984829. The next prime is 2029846984873. The reversal of 2029846984861 is 1684896489202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1740301832025 + 289545152836 = 1319205^2 + 538094^2 .

It is a cyclic number.

It is not a de Polignac number, because 2029846984861 - 2⁵ = 2029846984829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2029846984801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1014923492430 + 1014923492431.

It is an arithmetic number, because the mean of its divisors is an integer number (1014923492431).

Almost surely, 2^{2029846984861} is an apocalyptic number.

It is an amenable number.

2029846984861 is a deficient number, since it is larger than the sum of its proper divisors (1).

2029846984861 is an equidigital number, since it uses as much as digits as its factorization.

2029846984861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 95551488, while the sum is 67.

The spelling of 2029846984861 in words is "two trillion, twenty-nine billion, eight hundred forty-six million, nine hundred eighty-four thousand, eight hundred sixty-one".