13472893816 has 72 divisors (see below), whose sum is σ = 27123585480. Its totient is φ = 6262081056.

The previous prime is 13472893813. The next prime is 13472893817. The reversal of 13472893816 is 61839827431.

It is a super-2 number, since 2×13472893816² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13472893813) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 67702885 + ... + 67703083.

It is an arithmetic number, because the mean of its divisors is an integer number (376716465).

Almost surely, 2^13472893816 is an apocalyptic number.

It is an amenable number.

13472893816 is an abundant number, since it is smaller than the sum of its proper divisors (13650691664).

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

13472893816 is an equidigital number, since it uses as much as digits as its factorization.

13472893816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513 (or 267 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 13472893816 in words is "thirteen billion, four hundred seventy-two million, eight hundred ninety-three thousand, eight hundred sixteen".