2123050463549 has 2 divisors, whose sum is σ = 2123050463550. Its totient is φ = 2123050463548.

The previous prime is 2123050463537. The next prime is 2123050463551. The reversal of 2123050463549 is 9453640503212.

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., 1810437525625 + 312612937924 = 1345525^2 + 559118^2 .

It is a cyclic number.

It is not a de Polignac number, because 2123050463549 - 2⁴ = 2123050463533 is a prime.

Together with 2123050463551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2123050493549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1061525231774 + 1061525231775.

It is an arithmetic number, because the mean of its divisors is an integer number (1061525231775).

Almost surely, 2^{2123050463549} is an apocalyptic number.

It is an amenable number.

2123050463549 is a deficient number, since it is larger than the sum of its proper divisors (1).

2123050463549 is an equidigital number, since it uses as much as digits as its factorization.

2123050463549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 777600, while the sum is 44.

The spelling of 2123050463549 in words is "two trillion, one hundred twenty-three billion, fifty million, four hundred sixty-three thousand, five hundred forty-nine".