1649353383 has 6 divisors (see below), whose sum is σ = 2382399344. Its totient is φ = 1099568916.

The previous prime is 1649353373. The next prime is 1649353393. The reversal of 1649353383 is 3833539461.

It is an interprime number because it is at equal distance from previous prime (1649353373) and next prime (1649353393).

It is not a de Polignac number, because 1649353383 - 2⁴ = 1649353367 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 (1649353373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 91630735 + ... + 91630752.

Almost surely, 2^1649353383 is an apocalyptic number.

1649353383 is a deficient number, since it is larger than the sum of its proper divisors (733045961).

1649353383 is a wasteful number, since it uses less digits than its factorization.

1649353383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183261493 (or 183261490 counting only the distinct ones).

The product of its digits is 699840, while the sum is 45.

The square root of 1649353383 is about 40612.2319381735. The cubic root of 1649353383 is about 1181.5113696601.

The spelling of 1649353383 in words is "one billion, six hundred forty-nine million, three hundred fifty-three thousand, three hundred eighty-three".