13847531297377 has 2 divisors, whose sum is σ = 13847531297378. Its totient is φ = 13847531297376.

The previous prime is 13847531297363. The next prime is 13847531297387. The reversal of 13847531297377 is 77379213574831.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10440291548736 + 3407239748641 = 3231144^2 + 1845871^2 .

It is a cyclic number.

It is not a de Polignac number, because 13847531297377 - 2¹¹ = 13847531295329 is a prime.

It is not a weakly prime, because it can be changed into another prime (13847531297317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6923765648688 + 6923765648689.

It is an arithmetic number, because the mean of its divisors is an integer number (6923765648689).

Almost surely, 2^{13847531297377} is an apocalyptic number.

It is an amenable number.

13847531297377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13847531297377 is an equidigital number, since it uses as much as digits as its factorization.

13847531297377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 186701760, while the sum is 67.

The spelling of 13847531297377 in words is "thirteen trillion, eight hundred forty-seven billion, five hundred thirty-one million, two hundred ninety-seven thousand, three hundred seventy-seven".