12693543750 has 384 divisors, whose sum is σ = 38472537600. Its totient is φ = 3090960000.

The previous prime is 12693543749. The next prime is 12693543763. The reversal of 12693543750 is 5734539621.

12693543750 is a `hidden beast` number, since 1 + 269 + 354 + 37 + 5 + 0 = 666.

It is a super-2 number, since 2×12693543750² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12693543696 and 12693543705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 118631197 + ... + 118631303.

It is an arithmetic number, because the mean of its divisors is an integer number (100188900).

Almost surely, 2^12693543750 is an apocalyptic number.

12693543750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12693543750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19236268800).

12693543750 is an abundant number, since it is smaller than the sum of its proper divisors (25778993850).

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

12693543750 is a wasteful number, since it uses less digits than its factorization.

12693543750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 680400, while the sum is 45.

The spelling of 12693543750 in words is "twelve billion, six hundred ninety-three million, five hundred forty-three thousand, seven hundred fifty".