2985972272891 has 2 divisors, whose sum is σ = 2985972272892. Its totient is φ = 2985972272890.

The previous prime is 2985972272887. The next prime is 2985972272893. The reversal of 2985972272891 is 1982722795892.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2985972272891 - 2² = 2985972272887 is a prime.

It is a Sophie Germain prime.

Together with 2985972272893, 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 (2985972272893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1492986136445 + 1492986136446.

It is an arithmetic number, because the mean of its divisors is an integer number (1492986136446).

Almost surely, 2^{2985972272891} is an apocalyptic number.

2985972272891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2985972272891 is an equidigital number, since it uses as much as digits as its factorization.

2985972272891 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182891520, while the sum is 71.

The spelling of 2985972272891 in words is "two trillion, nine hundred eighty-five billion, nine hundred seventy-two million, two hundred seventy-two thousand, eight hundred ninety-one".