2100546953 has 2 divisors, whose sum is σ = 2100546954. Its totient is φ = 2100546952.

The previous prime is 2100546907. The next prime is 2100546977. The reversal of 2100546953 is 3596450012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1908641344 + 191905609 = 43688^2 + 13853^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100546953 - 2²⁸ = 1832111497 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100506953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050273476 + 1050273477.

It is an arithmetic number, because the mean of its divisors is an integer number (1050273477).

Almost surely, 2^2100546953 is an apocalyptic number.

It is an amenable number.

2100546953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100546953 is an equidigital number, since it uses as much as digits as its factorization.

2100546953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 35.

The square root of 2100546953 is about 45831.7243075143. The cubic root of 2100546953 is about 1280.6903325774.

Adding to 2100546953 its reverse (3596450012), we get a palindrome (5696996965).

The spelling of 2100546953 in words is "two billion, one hundred million, five hundred forty-six thousand, nine hundred fifty-three".