1649612204 has 48 divisors (see below), whose sum is σ = 3198061440. Its totient is φ = 741181440.

The previous prime is 1649612149. The next prime is 1649612219. The reversal of 1649612204 is 4022169461.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 124742 + ... + 137330.

It is an arithmetic number, because the mean of its divisors is an integer number (66626280).

Almost surely, 2^1649612204 is an apocalyptic number.

It is an amenable number.

1649612204 is a deficient number, since it is larger than the sum of its proper divisors (1548449236).

1649612204 is a wasteful number, since it uses less digits than its factorization.

1649612204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698 (or 12696 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 1649612204 is about 40615.4183038905. The cubic root of 1649612204 is about 1181.5731684157.

The spelling of 1649612204 in words is "one billion, six hundred forty-nine million, six hundred twelve thousand, two hundred four".