13404134377 has 2 divisors, whose sum is σ = 13404134378. Its totient is φ = 13404134376.

The previous prime is 13404134363. The next prime is 13404134437. The reversal of 13404134377 is 77343140431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10744566336 + 2659568041 = 103656^2 + 51571^2 .

It is a cyclic number.

It is not a de Polignac number, because 13404134377 - 2¹⁵ = 13404101609 is a prime.

It is not a weakly prime, because it can be changed into another prime (13404134477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6702067188 + 6702067189.

It is an arithmetic number, because the mean of its divisors is an integer number (6702067189).

Almost surely, 2^13404134377 is an apocalyptic number.

It is an amenable number.

13404134377 is a deficient number, since it is larger than the sum of its proper divisors (1).

13404134377 is an equidigital number, since it uses as much as digits as its factorization.

13404134377 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 13404134377 in words is "thirteen billion, four hundred four million, one hundred thirty-four thousand, three hundred seventy-seven".