13385945454 has 64 divisors (see below), whose sum is σ = 31841510400. Its totient is φ = 3670507008.

The previous prime is 13385945449. The next prime is 13385945471. The reversal of 13385945454 is 45454958331.

It is a super-2 number, since 2×13385945454² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13385945397 and 13385945406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 170502 + ... + 236310.

It is an arithmetic number, because the mean of its divisors is an integer number (497523600).

Almost surely, 2^13385945454 is an apocalyptic number.

13385945454 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13385945454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15920755200).

13385945454 is an abundant number, since it is smaller than the sum of its proper divisors (18455564946).

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

13385945454 is a wasteful number, since it uses less digits than its factorization.

13385945454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66017.

The product of its digits is 5184000, while the sum is 51.

The spelling of 13385945454 in words is "thirteen billion, three hundred eighty-five million, nine hundred forty-five thousand, four hundred fifty-four".