13480900377509 has 2 divisors, whose sum is σ = 13480900377510. Its totient is φ = 13480900377508.

The previous prime is 13480900377457. The next prime is 13480900377587. The reversal of 13480900377509 is 90577300908431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13086327955009 + 394572422500 = 3617503^2 + 628150^2 .

It is a cyclic number.

It is not a de Polignac number, because 13480900377509 - 2²⁸ = 13480631942053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13480900377599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6740450188754 + 6740450188755.

It is an arithmetic number, because the mean of its divisors is an integer number (6740450188755).

Almost surely, 2^{13480900377509} is an apocalyptic number.

It is an amenable number.

13480900377509 is a deficient number, since it is larger than the sum of its proper divisors (1).

13480900377509 is an equidigital number, since it uses as much as digits as its factorization.

13480900377509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The spelling of 13480900377509 in words is "thirteen trillion, four hundred eighty billion, nine hundred million, three hundred seventy-seven thousand, five hundred nine".