263943679362 has 96 divisors (see below), whose sum is σ = 646707499200. Its totient is φ = 71315988480.

The previous prime is 263943679339. The next prime is 263943679369. The reversal of 263943679362 is 263976349362.

263943679362 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 263943679296 and 263943679305.

It is not an unprimeable number, because it can be changed into a prime (263943679369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 328287 + ... + 797282.

It is an arithmetic number, because the mean of its divisors is an integer number (6736536450).

Almost surely, 2^263943679362 is an apocalyptic number.

263943679362 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

263943679362 is an abundant number, since it is smaller than the sum of its proper divisors (382763819838).

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

263943679362 is a wasteful number, since it uses less digits than its factorization.

263943679362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125632 (or 1125621 counting only the distinct ones).

The product of its digits is 52907904, while the sum is 60.

The spelling of 263943679362 in words is "two hundred sixty-three billion, nine hundred forty-three million, six hundred seventy-nine thousand, three hundred sixty-two".