13004450451 has 48 divisors (see below), whose sum is σ = 19636632288. Its totient is φ = 8600256000.

The previous prime is 13004450449. The next prime is 13004450467. The reversal of 13004450451 is 15405440031.

It is a happy number.

It is not a de Polignac number, because 13004450451 - 2¹ = 13004450449 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (13004450411) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 30889221 + ... + 30889641.

It is an arithmetic number, because the mean of its divisors is an integer number (409096506).

Almost surely, 2^13004450451 is an apocalyptic number.

13004450451 is a deficient number, since it is larger than the sum of its proper divisors (6632181837).

13004450451 is an equidigital number, since it uses as much as digits as its factorization.

13004450451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1154 (or 1142 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 13004450451 its reverse (15405440031), we get a palindrome (28409890482).

The spelling of 13004450451 in words is "thirteen billion, four million, four hundred fifty thousand, four hundred fifty-one".