13434213450 has 192 divisors, whose sum is σ = 41407849728. Its totient is φ = 2811801600.

The previous prime is 13434213437. The next prime is 13434213493. The reversal of 13434213450 is 5431243431.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 650280 + ... + 670620.

It is an arithmetic number, because the mean of its divisors is an integer number (215665884).

Almost surely, 2^13434213450 is an apocalyptic number.

13434213450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13434213450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20703924864).

13434213450 is an abundant number, since it is smaller than the sum of its proper divisors (27973636278).

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

13434213450 is a wasteful number, since it uses less digits than its factorization.

13434213450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20417 (or 20412 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 13434213450 its reverse (5431243431), we get a palindrome (18865456881).

The spelling of 13434213450 in words is "thirteen billion, four hundred thirty-four million, two hundred thirteen thousand, four hundred fifty".