1649512852 has 96 divisors (see below), whose sum is σ = 3353011200. Its totient is φ = 704471040.

The previous prime is 1649512847. The next prime is 1649512853. The reversal of 1649512852 is 2582159461.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a junction number, because it is equal to n+sod(n) for n = 1649512799 and 1649512808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1649512853) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3673524 + ... + 3673972.

It is an arithmetic number, because the mean of its divisors is an integer number (34927200).

Almost surely, 2^1649512852 is an apocalyptic number.

It is an amenable number.

1649512852 is an abundant number, since it is smaller than the sum of its proper divisors (1703498348).

1649512852 is a wasteful number, since it uses less digits than its factorization.

1649512852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593 (or 591 counting only the distinct ones).

The product of its digits is 172800, while the sum is 43.

The square root of 1649512852 is about 40614.1952031553. The cubic root of 1649512852 is about 1181.5494468780.

The spelling of 1649512852 in words is "one billion, six hundred forty-nine million, five hundred twelve thousand, eight hundred fifty-two".