13004450549 has 2 divisors, whose sum is σ = 13004450550. Its totient is φ = 13004450548.

The previous prime is 13004450513. The next prime is 13004450551. The reversal of 13004450549 is 94505440031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8381402500 + 4623048049 = 91550^2 + 67993^2 .

It is a cyclic number.

It is not a de Polignac number, because 13004450549 - 2²⁸ = 12736015093 is a prime.

Together with 13004450551, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13004450579) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502225274 + 6502225275.

It is an arithmetic number, because the mean of its divisors is an integer number (6502225275).

Almost surely, 2^13004450549 is an apocalyptic number.

It is an amenable number.

13004450549 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004450549 is an equidigital number, since it uses as much as digits as its factorization.

13004450549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13004450549 in words is "thirteen billion, four million, four hundred fifty thousand, five hundred forty-nine".