12369553434 has 120 divisors (see below), whose sum is σ = 31385238612. Its totient is φ = 3520661760.

The previous prime is 12369553429. The next prime is 12369553459. The reversal of 12369553434 is 43435596321.

12369553434 is a `hidden beast` number, since 1 + 2 + 3 + 69 + 553 + 4 + 34 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12317670225 + 51883209 = 110985^2 + 7203^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12369553434.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 18713064 + ... + 18713724.

Almost surely, 2^12369553434 is an apocalyptic number.

12369553434 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 12369553434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15692619306).

12369553434 is an abundant number, since it is smaller than the sum of its proper divisors (19015685178).

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

12369553434 is an equidigital number, since it uses as much as digits as its factorization.

12369553434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1130 (or 1106 counting only the distinct ones).

The product of its digits is 1166400, while the sum is 45.

The spelling of 12369553434 in words is "twelve billion, three hundred sixty-nine million, five hundred fifty-three thousand, four hundred thirty-four".