2054453199 has 4 divisors (see below), whose sum is σ = 2739270936. Its totient is φ = 1369635464.

The previous prime is 2054453197. The next prime is 2054453207. The reversal of 2054453199 is 9913544502.

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

It is a cyclic number.

It is not a de Polignac number, because 2054453199 - 2¹ = 2054453197 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2054453199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054453197) 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, 342408864 + ... + 342408869.

It is an arithmetic number, because the mean of its divisors is an integer number (684817734).

Almost surely, 2^2054453199 is an apocalyptic number.

2054453199 is a deficient number, since it is larger than the sum of its proper divisors (684817737).

2054453199 is an equidigital number, since it uses as much as digits as its factorization.

2054453199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684817736.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 2054453199 is about 45326.0763689071. The cubic root of 2054453199 is about 1271.2532731290.

The spelling of 2054453199 in words is "two billion, fifty-four million, four hundred fifty-three thousand, one hundred ninety-nine".