1648532963 has 16 divisors (see below), whose sum is σ = 2057716224. Its totient is φ = 1283069760.

The previous prime is 1648532957. The next prime is 1648532989. The reversal of 1648532963 is 3692358461.

It is not a de Polignac number, because 1648532963 - 2⁴ = 1648532947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1648532903) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56231 + ... + 80367.

It is an arithmetic number, because the mean of its divisors is an integer number (128607264).

Almost surely, 2^1648532963 is an apocalyptic number.

1648532963 is a deficient number, since it is larger than the sum of its proper divisors (409183261).

1648532963 is a wasteful number, since it uses less digits than its factorization.

1648532963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25042.

The product of its digits is 933120, while the sum is 47.

The square root of 1648532963 is about 40602.1300303322. The cubic root of 1648532963 is about 1181.3154350322.

The spelling of 1648532963 in words is "one billion, six hundred forty-eight million, five hundred thirty-two thousand, nine hundred sixty-three".