13520790487 has 2 divisors, whose sum is σ = 13520790488. Its totient is φ = 13520790486.

The previous prime is 13520790463. The next prime is 13520790551. The reversal of 13520790487 is 78409702531.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13520790487 - 2²³ = 13512401879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13520790407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6760395243 + 6760395244.

It is an arithmetic number, because the mean of its divisors is an integer number (6760395244).

Almost surely, 2^13520790487 is an apocalyptic number.

13520790487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13520790487 is an equidigital number, since it uses as much as digits as its factorization.

13520790487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 13520790487 in words is "thirteen billion, five hundred twenty million, seven hundred ninety thousand, four hundred eighty-seven".