2049889391353 has 16 divisors (see below), whose sum is σ = 2179967302656. Its totient is φ = 1923580002960.

The previous prime is 2049889391321. The next prime is 2049889391357. The reversal of 2049889391353 is 3531939889402.

It is a cyclic number.

It is not a de Polignac number, because 2049889391353 - 2⁵ = 2049889391321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2049889391357) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3789963 + ... + 4296928.

It is an arithmetic number, because the mean of its divisors is an integer number (136247956416).

Almost surely, 2^{2049889391353} is an apocalyptic number.

2049889391353 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

2049889391353 is a deficient number, since it is larger than the sum of its proper divisors (130077911303).

2049889391353 is a wasteful number, since it uses less digits than its factorization.

2049889391353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8087124.

The product of its (nonzero) digits is 50388480, while the sum is 64.

The spelling of 2049889391353 in words is "two trillion, forty-nine billion, eight hundred eighty-nine million, three hundred ninety-one thousand, three hundred fifty-three".