13172447334 has 16 divisors (see below), whose sum is σ = 26350320240. Its totient is φ = 4389911520.

The previous prime is 13172447333. The next prime is 13172447377. The reversal of 13172447334 is 43374427131.

It is a junction number, because it is equal to n+sod(n) for n = 13172447292 and 13172447301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13172447333) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194157 + ... + 253064.

It is an arithmetic number, because the mean of its divisors is an integer number (1646895015).

Almost surely, 2^13172447334 is an apocalyptic number.

13172447334 is an abundant number, since it is smaller than the sum of its proper divisors (13177872906).

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

13172447334 is a wasteful number, since it uses less digits than its factorization.

13172447334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452135.

The product of its digits is 169344, while the sum is 39.

The spelling of 13172447334 in words is "thirteen billion, one hundred seventy-two million, four hundred forty-seven thousand, three hundred thirty-four".