13449863796 has 48 divisors (see below), whose sum is σ = 31731594048. Its totient is φ = 4433728000.

The previous prime is 13449863783. The next prime is 13449863807. The reversal of 13449863796 is 69736894431.

It is a super-2 number, since 2×13449863796² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 445996 + ... + 475196.

It is an arithmetic number, because the mean of its divisors is an integer number (661074876).

Almost surely, 2^13449863796 is an apocalyptic number.

It is an amenable number.

13449863796 is an abundant number, since it is smaller than the sum of its proper divisors (18281730252).

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

13449863796 is a wasteful number, since it uses less digits than its factorization.

13449863796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29632 (or 29630 counting only the distinct ones).

The product of its digits is 23514624, while the sum is 60.

The spelling of 13449863796 in words is "thirteen billion, four hundred forty-nine million, eight hundred sixty-three thousand, seven hundred ninety-six".