2049658317 has 128 divisors (see below), whose sum is σ = 3815424000. Its totient is φ = 1061786880.

The previous prime is 2049658249. The next prime is 2049658321. The reversal of 2049658317 is 7138569402.

2049658317 is a `hidden beast` number, since 20 + 49 + 6 + 583 + 1 + 7 = 666.

2049658317 is digitally balanced in base 10, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2049658317 - 2⁷ = 2049658189 is a prime.

2049658317 is strictly pandigital in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049658337) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8950359 + ... + 8950587.

It is an arithmetic number, because the mean of its divisors is an integer number (29808000).

It is a 1-persistent number, because it is pandigital, but 2⋅2049658317 = 4099316634 is not.

Almost surely, 2^2049658317 is an apocalyptic number.

2049658317 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

2049658317 is a deficient number, since it is larger than the sum of its proper divisors (1765765683).

2049658317 is a wasteful number, since it uses less digits than its factorization.

2049658317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368 (or 362 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 2049658317 is about 45273.1522759350. The cubic root of 2049658317 is about 1270.2635113609.

The spelling of 2049658317 in words is "two billion, forty-nine million, six hundred fifty-eight thousand, three hundred seventeen".