1649753913 has 16 divisors (see below), whose sum is σ = 2316378240. Its totient is φ = 1042360704.

The previous prime is 1649753881. The next prime is 1649753921. The reversal of 1649753913 is 3193579461.

It is not a de Polignac number, because 1649753913 - 2⁵ = 1649753881 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1649753213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102156 + ... + 117197.

It is an arithmetic number, because the mean of its divisors is an integer number (144773640).

Almost surely, 2^1649753913 is an apocalyptic number.

It is an amenable number.

1649753913 is a deficient number, since it is larger than the sum of its proper divisors (666624327).

1649753913 is a wasteful number, since it uses less digits than its factorization.

1649753913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219488.

The product of its digits is 612360, while the sum is 48.

The square root of 1649753913 is about 40617.1627886538. The cubic root of 1649753913 is about 1181.6070015711.

The spelling of 1649753913 in words is "one billion, six hundred forty-nine million, seven hundred fifty-three thousand, nine hundred thirteen".