263059507968 has 324 divisors, whose sum is σ = 762614237448. Its totient is φ = 80483450880.

The previous prime is 263059507967. The next prime is 263059507969. The reversal of 263059507968 is 869705950362.

It is an interprime number because it is at equal distance from previous prime (263059507967) and next prime (263059507969).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (263059507967) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 410388928 + ... + 410389568.

Almost surely, 2^263059507968 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 263059507968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (381307118724).

263059507968 is an abundant number, since it is smaller than the sum of its proper divisors (499554729480).

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

263059507968 is an equidigital number, since it uses as much as digits as its factorization.

263059507968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 706 counting only the distinct ones).

The product of its (nonzero) digits is 24494400, while the sum is 60.

The spelling of 263059507968 in words is "two hundred sixty-three billion, fifty-nine million, five hundred seven thousand, nine hundred sixty-eight".