13826505750 has 32 divisors (see below), whose sum is σ = 34510960224. Its totient is φ = 3687068000.

The previous prime is 13826505709. The next prime is 13826505757. The reversal of 13826505750 is 5750562831.

It is a super-2 number, since 2×13826505750² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13826505757) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9216921 + ... + 9218420.

It is an arithmetic number, because the mean of its divisors is an integer number (1078467507).

Almost surely, 2^13826505750 is an apocalyptic number.

13826505750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13826505750 is an abundant number, since it is smaller than the sum of its proper divisors (20684454474).

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

13826505750 is a wasteful number, since it uses less digits than its factorization.

13826505750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18435361 (or 18435351 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 42.

The spelling of 13826505750 in words is "thirteen billion, eight hundred twenty-six million, five hundred five thousand, seven hundred fifty".