1649068012 has 6 divisors (see below), whose sum is σ = 2885869028. Its totient is φ = 824534004.

The previous prime is 1649067967. The next prime is 1649068039. The reversal of 1649068012 is 2108609461.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206133498 + ... + 206133505.

Almost surely, 2^1649068012 is an apocalyptic number.

It is an amenable number.

1649068012 is a deficient number, since it is larger than the sum of its proper divisors (1236801016).

1649068012 is a wasteful number, since it uses less digits than its factorization.

1649068012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412267007 (or 412267005 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 1649068012 is about 40608.7184235110. The cubic root of 1649068012 is about 1181.4432240599.

The spelling of 1649068012 in words is "one billion, six hundred forty-nine million, sixty-eight thousand, twelve".