2005427199 has 4 divisors (see below), whose sum is σ = 2673902936. Its totient is φ = 1336951464.

The previous prime is 2005427153. The next prime is 2005427233. The reversal of 2005427199 is 9917245002.

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

It is not a de Polignac number, because 2005427199 - 2¹³ = 2005419007 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 (2005427119) 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, 334237864 + ... + 334237869.

It is an arithmetic number, because the mean of its divisors is an integer number (668475734).

Almost surely, 2^2005427199 is an apocalyptic number.

2005427199 is a deficient number, since it is larger than the sum of its proper divisors (668475737).

2005427199 is an equidigital number, since it uses as much as digits as its factorization.

2005427199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668475736.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 2005427199 is about 44781.9963713098. The cubic root of 2005427199 is about 1261.0596609806.

The spelling of 2005427199 in words is "two billion, five million, four hundred twenty-seven thousand, one hundred ninety-nine".