2084851912049 has 2 divisors, whose sum is σ = 2084851912050. Its totient is φ = 2084851912048.

The previous prime is 2084851911983. The next prime is 2084851912081. The reversal of 2084851912049 is 9402191584802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1488046221025 + 596805691024 = 1219855^2 + 772532^2 .

It is a cyclic number.

It is not a de Polignac number, because 2084851912049 - 2³⁶ = 2016132435313 is a prime.

It is not a weakly prime, because it can be changed into another prime (2084851912349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042425956024 + 1042425956025.

It is an arithmetic number, because the mean of its divisors is an integer number (1042425956025).

Almost surely, 2^{2084851912049} is an apocalyptic number.

It is an amenable number.

2084851912049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2084851912049 is an equidigital number, since it uses as much as digits as its factorization.

2084851912049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1658880, while the sum is 53.

The spelling of 2084851912049 in words is "two trillion, eighty-four billion, eight hundred fifty-one million, nine hundred twelve thousand, forty-nine".