2134549673 has 2 divisors, whose sum is σ = 2134549674. Its totient is φ = 2134549672.

The previous prime is 2134549633. The next prime is 2134549679. The reversal of 2134549673 is 3769454312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1839809449 + 294740224 = 42893^2 + 17168^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134549673 - 2²² = 2130355369 is a prime.

It is not a weakly prime, because it can be changed into another prime (2134549679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067274836 + 1067274837.

It is an arithmetic number, because the mean of its divisors is an integer number (1067274837).

Almost surely, 2^2134549673 is an apocalyptic number.

It is an amenable number.

2134549673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134549673 is an equidigital number, since it uses as much as digits as its factorization.

2134549673 is an evil number, because the sum of its binary digits is even.

The product of its digits is 544320, while the sum is 44.

The square root of 2134549673 is about 46201.1869219829. The cubic root of 2134549673 is about 1287.5637919566.

The spelling of 2134549673 in words is "two billion, one hundred thirty-four million, five hundred forty-nine thousand, six hundred seventy-three".