13193712450 has 72 divisors (see below), whose sum is σ = 35460240816. Its totient is φ = 3517020000.

The previous prime is 13193712439. The next prime is 13193712491. The reversal of 13193712450 is 5421739131.

13193712450 is a `hidden beast` number, since 1 + 3 + 193 + 7 + 12 + 450 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2252025 + ... + 2257875.

Almost surely, 2^13193712450 is an apocalyptic number.

13193712450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13193712450 is an abundant number, since it is smaller than the sum of its proper divisors (22266528366).

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

13193712450 is a wasteful number, since it uses less digits than its factorization.

13193712450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10880 (or 10872 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The spelling of 13193712450 in words is "thirteen billion, one hundred ninety-three million, seven hundred twelve thousand, four hundred fifty".