1263733068 has 96 divisors (see below), whose sum is σ = 3324787200. Its totient is φ = 370681344.

The previous prime is 1263733067. The next prime is 1263733069. The reversal of 1263733068 is 8603373621.

It is an interprime number because it is at equal distance from previous prime (1263733067) and next prime (1263733069).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (1263733067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2041263 + ... + 2041881.

It is an arithmetic number, because the mean of its divisors is an integer number (34633200).

Almost surely, 2^1263733068 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1263733068, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1662393600).

1263733068 is an abundant number, since it is smaller than the sum of its proper divisors (2061054132).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1263733068 is a wasteful number, since it uses less digits than its factorization.

1263733068 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231 (or 1229 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 39.

The square root of 1263733068 is about 35549.0234465027. The cubic root of 1263733068 is about 1081.1479186909.

The spelling of 1263733068 in words is "one billion, two hundred sixty-three million, seven hundred thirty-three thousand, sixty-eight".