263840701113 has 64 divisors (see below), whose sum is σ = 446383042560. Its totient is φ = 152458099200.

The previous prime is 263840701109. The next prime is 263840701139. The reversal of 263840701113 is 311107048362.

It is a happy number.

263840701113 is a `hidden beast` number, since 2 + 638 + 4 + 0 + 7 + 0 + 1 + 1 + 13 = 666.

It is not a de Polignac number, because 263840701113 - 2² = 263840701109 is a prime.

It is a super-2 number, since 2×263840701113² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (263840701183) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2062345 + ... + 2186537.

It is an arithmetic number, because the mean of its divisors is an integer number (6974735040).

Almost surely, 2^263840701113 is an apocalyptic number.

263840701113 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

263840701113 is a deficient number, since it is larger than the sum of its proper divisors (182542341447).

263840701113 is a wasteful number, since it uses less digits than its factorization.

263840701113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124547 (or 124541 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

Adding to 263840701113 its reverse (311107048362), we get a palindrome (574947749475).

The spelling of 263840701113 in words is "two hundred sixty-three billion, eight hundred forty million, seven hundred one thousand, one hundred thirteen".