13434121245 has 32 divisors (see below), whose sum is σ = 21755547648. Its totient is φ = 7078252608.

The previous prime is 13434121243. The next prime is 13434121279. The reversal of 13434121245 is 54212143431.

It is not a de Polignac number, because 13434121245 - 2¹ = 13434121243 is a prime.

It is a super-2 number, since 2×13434121245² (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 (13434121241) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 577632 + ... + 600438.

It is an arithmetic number, because the mean of its divisors is an integer number (679860864).

Almost surely, 2^13434121245 is an apocalyptic number.

13434121245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13434121245 is a deficient number, since it is larger than the sum of its proper divisors (8321426403).

13434121245 is a wasteful number, since it uses less digits than its factorization.

13434121245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23289.

The product of its digits is 11520, while the sum is 30.

Adding to 13434121245 its reverse (54212143431), we get a palindrome (67646264676).

The spelling of 13434121245 in words is "thirteen billion, four hundred thirty-four million, one hundred twenty-one thousand, two hundred forty-five".