2106453673 has 2 divisors, whose sum is σ = 2106453674. Its totient is φ = 2106453672.

The previous prime is 2106453659. The next prime is 2106453683. The reversal of 2106453673 is 3763546012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1495523584 + 610930089 = 38672^2 + 24717^2 .

It is a cyclic number.

It is not a de Polignac number, because 2106453673 - 2¹⁷ = 2106322601 is a prime.

It is not a weakly prime, because it can be changed into another prime (2106453683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1053226836 + 1053226837.

It is an arithmetic number, because the mean of its divisors is an integer number (1053226837).

Almost surely, 2^2106453673 is an apocalyptic number.

It is an amenable number.

2106453673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2106453673 is an equidigital number, since it uses as much as digits as its factorization.

2106453673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 2106453673 is about 45896.1182781289. The cubic root of 2106453673 is about 1281.8896392060.

Adding to 2106453673 its reverse (3763546012), we get a palindrome (5869999685).

The spelling of 2106453673 in words is "two billion, one hundred six million, four hundred fifty-three thousand, six hundred seventy-three".