13051145249 has 2 divisors, whose sum is σ = 13051145250. Its totient is φ = 13051145248.

The previous prime is 13051145213. The next prime is 13051145251. The reversal of 13051145249 is 94254115031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9442980625 + 3608164624 = 97175^2 + 60068^2 .

It is a cyclic number.

It is not a de Polignac number, because 13051145249 - 2¹² = 13051141153 is a prime.

It is a Sophie Germain prime.

Together with 13051145251, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (13051145269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6525572624 + 6525572625.

It is an arithmetic number, because the mean of its divisors is an integer number (6525572625).

Almost surely, 2^13051145249 is an apocalyptic number.

It is an amenable number.

13051145249 is a deficient number, since it is larger than the sum of its proper divisors (1).

13051145249 is an equidigital number, since it uses as much as digits as its factorization.

13051145249 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 21600, while the sum is 35.

The spelling of 13051145249 in words is "thirteen billion, fifty-one million, one hundred forty-five thousand, two hundred forty-nine".