13409219754 has 36 divisors (see below), whose sum is σ = 33796709154. Its totient is φ = 3831205392.

The previous prime is 13409219753. The next prime is 13409219779. The reversal of 13409219754 is 45791290431.

13409219754 is a `hidden beast` number, since 1 + 3 + 409 + 2 + 197 + 54 = 666.

It can be written as a sum of positive squares in only one way, i.e., 13403387529 + 5832225 = 115773^2 + 2415^2 .

It is a super-2 number, since 2×13409219754² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13409219753) 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, 7600717 + ... + 7602480.

Almost surely, 2^13409219754 is an apocalyptic number.

13409219754 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13409219754 is an abundant number, since it is smaller than the sum of its proper divisors (20387489400).

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

13409219754 is a wasteful number, since it uses less digits than its factorization.

13409219754 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15203219 (or 15203209 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 13409219754 in words is "thirteen billion, four hundred nine million, two hundred nineteen thousand, seven hundred fifty-four".