13834649377 has 2 divisors, whose sum is σ = 13834649378. Its totient is φ = 13834649376.

The previous prime is 13834649363. The next prime is 13834649429. The reversal of 13834649377 is 77394643831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13788395776 + 46253601 = 117424^2 + 6801^2 .

It is a cyclic number.

It is not a de Polignac number, because 13834649377 - 2¹¹ = 13834647329 is a prime.

It is not a weakly prime, because it can be changed into another prime (13834649977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6917324688 + 6917324689.

It is an arithmetic number, because the mean of its divisors is an integer number (6917324689).

Almost surely, 2^13834649377 is an apocalyptic number.

It is an amenable number.

13834649377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13834649377 is an equidigital number, since it uses as much as digits as its factorization.

13834649377 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 55.

The spelling of 13834649377 in words is "thirteen billion, eight hundred thirty-four million, six hundred forty-nine thousand, three hundred seventy-seven".