2049127747199 has 32 divisors (see below), whose sum is σ = 2256446142720. Its totient is φ = 1849176096768.

The previous prime is 2049127747193. The next prime is 2049127747243. The reversal of 2049127747199 is 9917477219402.

It is a de Polignac number, because none of the positive numbers 2^k-2049127747199 is a prime.

It is a super-4 number, since 4×2049127747199⁴ (a number of 50 digits) contains 4444 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 (2049127747193) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 245312207 + ... + 245320559.

It is an arithmetic number, because the mean of its divisors is an integer number (70513941960).

Almost surely, 2^{2049127747199} is an apocalyptic number.

2049127747199 is a deficient number, since it is larger than the sum of its proper divisors (207318395521).

2049127747199 is a wasteful number, since it uses less digits than its factorization.

2049127747199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9651.

The product of its (nonzero) digits is 16003008, while the sum is 62.

The spelling of 2049127747199 in words is "two trillion, forty-nine billion, one hundred twenty-seven million, seven hundred forty-seven thousand, one hundred ninety-nine".