13853640851 has 2 divisors, whose sum is σ = 13853640852. Its totient is φ = 13853640850.

The previous prime is 13853640847. The next prime is 13853640883. The reversal of 13853640851 is 15804635831.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13853640851 - 2² = 13853640847 is a prime.

It is not a weakly prime, because it can be changed into another prime (13853642851) 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 as a sum of consecutive naturals, namely, 6926820425 + 6926820426.

It is an arithmetic number, because the mean of its divisors is an integer number (6926820426).

Almost surely, 2^13853640851 is an apocalyptic number.

13853640851 is a deficient number, since it is larger than the sum of its proper divisors (1).

13853640851 is an equidigital number, since it uses as much as digits as its factorization.

13853640851 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 345600, while the sum is 44.

The spelling of 13853640851 in words is "thirteen billion, eight hundred fifty-three million, six hundred forty thousand, eight hundred fifty-one".