263796787749 has 8 divisors (see below), whose sum is σ = 383704418592. Its totient is φ = 159876841040.

The previous prime is 263796787729. The next prime is 263796787783. The reversal of 263796787749 is 947787697362.

263796787749 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 263796787749 - 2¹⁹ = 263796263461 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (263796787729) 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 7 ways as a sum of consecutive naturals, for example, 3996920994 + ... + 3996921059.

It is an arithmetic number, because the mean of its divisors is an integer number (47963052324).

Almost surely, 2^263796787749 is an apocalyptic number.

It is an amenable number.

263796787749 is a deficient number, since it is larger than the sum of its proper divisors (119907630843).

263796787749 is a wasteful number, since it uses less digits than its factorization.

263796787749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7993842067.

The product of its digits is 1344252672, while the sum is 75.

The spelling of 263796787749 in words is "two hundred sixty-three billion, seven hundred ninety-six million, seven hundred eighty-seven thousand, seven hundred forty-nine".