1650232563 has 16 divisors (see below), whose sum is σ = 2515454976. Its totient is φ = 942684480.

The previous prime is 1650232553. The next prime is 1650232613. The reversal of 1650232563 is 3652320561.

It is not a de Polignac number, because 1650232563 - 2⁴ = 1650232547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1650232553) 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, 64518 + ... + 86388.

It is an arithmetic number, because the mean of its divisors is an integer number (157215936).

Almost surely, 2^1650232563 is an apocalyptic number.

1650232563 is a deficient number, since it is larger than the sum of its proper divisors (865222413).

1650232563 is a wasteful number, since it uses less digits than its factorization.

1650232563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25474.

The product of its (nonzero) digits is 32400, while the sum is 33.

The square root of 1650232563 is about 40623.0545749578. The cubic root of 1650232563 is about 1181.7212653810.

The spelling of 1650232563 in words is "one billion, six hundred fifty million, two hundred thirty-two thousand, five hundred sixty-three".