13450172352 has 56 divisors (see below), whose sum is σ = 37459920000. Its totient is φ = 4247421696.

The previous prime is 13450172317. The next prime is 13450172381. The reversal of 13450172352 is 25327105431.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839852 + ... + 1847147.

Almost surely, 2^13450172352 is an apocalyptic number.

13450172352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13450172352 is an abundant number, since it is smaller than the sum of its proper divisors (24009747648).

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

13450172352 is a wasteful number, since it uses less digits than its factorization.

13450172352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3687033 (or 3687023 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

Adding to 13450172352 its reverse (25327105431), we get a palindrome (38777277783).

The spelling of 13450172352 in words is "thirteen billion, four hundred fifty million, one hundred seventy-two thousand, three hundred fifty-two".