1149648963 has 16 divisors (see below), whose sum is σ = 1549760256. Its totient is φ = 758002400.

The previous prime is 1149648961. The next prime is 1149648967. The reversal of 1149648963 is 3698469411.

It is a cyclic number.

It is not a de Polignac number, because 1149648963 - 2¹ = 1149648961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1149648961) 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, 394570 + ... + 397472.

It is an arithmetic number, because the mean of its divisors is an integer number (96860016).

Almost surely, 2^1149648963 is an apocalyptic number.

1149648963 is a deficient number, since it is larger than the sum of its proper divisors (400111293).

1149648963 is a wasteful number, since it uses less digits than its factorization.

1149648963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4314.

The product of its digits is 1119744, while the sum is 51.

The square root of 1149648963 is about 33906.4737623953. The cubic root of 1149648963 is about 1047.5829400628.

The spelling of 1149648963 in words is "one billion, one hundred forty-nine million, six hundred forty-eight thousand, nine hundred sixty-three".