1648632932 has 6 divisors (see below), whose sum is σ = 2885107638. Its totient is φ = 824316464.

The previous prime is 1648632911. The next prime is 1648632961. The reversal of 1648632932 is 2392368461.

It can be written as a sum of positive squares in only one way, i.e., 1591690816 + 56942116 = 39896^2 + 7546^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 206079113 + ... + 206079120.

It is an arithmetic number, because the mean of its divisors is an integer number (480851273).

Almost surely, 2^1648632932 is an apocalyptic number.

It is an amenable number.

1648632932 is a deficient number, since it is larger than the sum of its proper divisors (1236474706).

1648632932 is a wasteful number, since it uses less digits than its factorization.

1648632932 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412158237 (or 412158235 counting only the distinct ones).

The product of its digits is 373248, while the sum is 44.

The square root of 1648632932 is about 40603.3610924022. The cubic root of 1648632932 is about 1181.3393133406.

The spelling of 1648632932 in words is "one billion, six hundred forty-eight million, six hundred thirty-two thousand, nine hundred thirty-two".