13450191500 has 48 divisors (see below), whose sum is σ = 29729228256. Its totient is φ = 5315240000.

The previous prime is 13450191451. The next prime is 13450191511. The reversal of 13450191500 is 519105431.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120551 + ... + 203550.

It is an arithmetic number, because the mean of its divisors is an integer number (619358922).

Almost surely, 2^13450191500 is an apocalyptic number.

13450191500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13450191500 is an abundant number, since it is smaller than the sum of its proper divisors (16279036756).

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

13450191500 is a wasteful number, since it uses less digits than its factorization.

13450191500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324203 (or 324191 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 29.

Adding to 13450191500 its reverse (519105431), we get a palindrome (13969296931).

The spelling of 13450191500 in words is "thirteen billion, four hundred fifty million, one hundred ninety-one thousand, five hundred".