13532113409 has 2 divisors, whose sum is σ = 13532113410. Its totient is φ = 13532113408.

The previous prime is 13532113403. The next prime is 13532113423. The reversal of 13532113409 is 90431123531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13321776400 + 210337009 = 115420^2 + 14503^2 .

It is a cyclic number.

It is not a de Polignac number, because 13532113409 - 2⁴ = 13532113393 is a prime.

It is not a weakly prime, because it can be changed into another prime (13532113403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6766056704 + 6766056705.

It is an arithmetic number, because the mean of its divisors is an integer number (6766056705).

Almost surely, 2^13532113409 is an apocalyptic number.

It is an amenable number.

13532113409 is a deficient number, since it is larger than the sum of its proper divisors (1).

13532113409 is an equidigital number, since it uses as much as digits as its factorization.

13532113409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 32.

The spelling of 13532113409 in words is "thirteen billion, five hundred thirty-two million, one hundred thirteen thousand, four hundred nine".