13345420451 has 6 divisors (see below), whose sum is σ = 14668933356. Its totient is φ = 12132200300.

The previous prime is 13345420421. The next prime is 13345420463. The reversal of 13345420451 is 15402454331.

It is not a de Polignac number, because 13345420451 - 2¹⁰ = 13345419427 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13345420421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55146245 + ... + 55146486.

It is an arithmetic number, because the mean of its divisors is an integer number (2444822226).

Almost surely, 2^13345420451 is an apocalyptic number.

13345420451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13345420451 is a deficient number, since it is larger than the sum of its proper divisors (1323512905).

13345420451 is a wasteful number, since it uses less digits than its factorization.

13345420451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110292753 (or 110292742 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 13345420451 its reverse (15402454331), we get a palindrome (28747874782).

The spelling of 13345420451 in words is "thirteen billion, three hundred forty-five million, four hundred twenty thousand, four hundred fifty-one".