2854455749 has 4 divisors (see below), whose sum is σ = 2854835436. Its totient is φ = 2854076064.

The previous prime is 2854455743. The next prime is 2854455757. The reversal of 2854455749 is 9475544582.

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 1600800100 + 1253655649 = 40010^2 + 35407^2 .

It is a cyclic number.

It is not a de Polignac number, because 2854455749 - 2²⁰ = 2853407173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2854455749.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2854455743) 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, 178334 + ... + 193679.

It is an arithmetic number, because the mean of its divisors is an integer number (713708859).

Almost surely, 2^2854455749 is an apocalyptic number.

It is an amenable number.

2854455749 is a deficient number, since it is larger than the sum of its proper divisors (379687).

2854455749 is an equidigital number, since it uses as much as digits as its factorization.

2854455749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379686.

The product of its digits is 8064000, while the sum is 53.

The square root of 2854455749 is about 53427.1068746942. The cubic root of 2854455749 is about 1418.5384268874.

The spelling of 2854455749 in words is "two billion, eight hundred fifty-four million, four hundred fifty-five thousand, seven hundred forty-nine".