2054205799 has 4 divisors (see below), whose sum is σ = 2063176360. Its totient is φ = 2045235240.

The previous prime is 2054205787. The next prime is 2054205833. The reversal of 2054205799 is 9975024502.

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 2054205799 - 2²¹ = 2052108647 is a prime.

It is a super-2 number, since 2×2054205799² = 8439522929290456802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054205779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4484937 + ... + 4485394.

It is an arithmetic number, because the mean of its divisors is an integer number (515794090).

Almost surely, 2^2054205799 is an apocalyptic number.

2054205799 is a deficient number, since it is larger than the sum of its proper divisors (8970561).

2054205799 is an equidigital number, since it uses as much as digits as its factorization.

2054205799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8970560.

The product of its (nonzero) digits is 226800, while the sum is 43.

The square root of 2054205799 is about 45323.3471733940. The cubic root of 2054205799 is about 1271.2022424078.

The spelling of 2054205799 in words is "two billion, fifty-four million, two hundred five thousand, seven hundred ninety-nine".