1649605302 has 96 divisors (see below), whose sum is σ = 3894853248. Its totient is φ = 502564608.

The previous prime is 1649605297. The next prime is 1649605313. The reversal of 1649605302 is 2035069461.

It is a happy number.

1649605302 is a `hidden beast` number, since 1 + 6 + 49 + 605 + 3 + 0 + 2 = 666.

It is a super-2 number, since 2×1649605302² = 5442395304773022408, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 3723493 + ... + 3723935.

It is an arithmetic number, because the mean of its divisors is an integer number (40571388).

Almost surely, 2^1649605302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1649605302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1947426624).

1649605302 is an abundant number, since it is smaller than the sum of its proper divisors (2245247946).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1649605302 is a wasteful number, since it uses less digits than its factorization.

1649605302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 794 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The square root of 1649605302 is about 40615.3333360690. Note that the first 5 decimals coincide. The cubic root of 1649605302 is about 1181.5715205074.

The spelling of 1649605302 in words is "one billion, six hundred forty-nine million, six hundred five thousand, three hundred two".