13445047351 has 2 divisors, whose sum is σ = 13445047352. Its totient is φ = 13445047350.

The previous prime is 13445047331. The next prime is 13445047379. The reversal of 13445047351 is 15374054431.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13445047351 - 2⁷ = 13445047223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13445047351.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13445047321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6722523675 + 6722523676.

It is an arithmetic number, because the mean of its divisors is an integer number (6722523676).

Almost surely, 2^13445047351 is an apocalyptic number.

13445047351 is a deficient number, since it is larger than the sum of its proper divisors (1).

13445047351 is an equidigital number, since it uses as much as digits as its factorization.

13445047351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 13445047351 in words is "thirteen billion, four hundred forty-five million, forty-seven thousand, three hundred fifty-one".