2705864453 has 4 divisors (see below), whose sum is σ = 2706356940. Its totient is φ = 2705371968.

The previous prime is 2705864443. The next prime is 2705864467. The reversal of 2705864453 is 3544685072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1264371364 + 1441493089 = 35558^2 + 37967^2 .

It is a cyclic number.

It is not a de Polignac number, because 2705864453 - 2⁶ = 2705864389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2705864443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237908 + ... + 249021.

It is an arithmetic number, because the mean of its divisors is an integer number (676589235).

Almost surely, 2^2705864453 is an apocalyptic number.

It is an amenable number.

2705864453 is a deficient number, since it is larger than the sum of its proper divisors (492487).

2705864453 is an equidigital number, since it uses as much as digits as its factorization.

2705864453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492486.

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 2705864453 is about 52017.9243434415. The cubic root of 2705864453 is about 1393.4840832532.

The spelling of 2705864453 in words is "two billion, seven hundred five million, eight hundred sixty-four thousand, four hundred fifty-three".