13319953487 has 2 divisors, whose sum is σ = 13319953488. Its totient is φ = 13319953486.

The previous prime is 13319953403. The next prime is 13319953501. The reversal of 13319953487 is 78435991331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13319953487 - 2²² = 13315759183 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13319553487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6659976743 + 6659976744.

It is an arithmetic number, because the mean of its divisors is an integer number (6659976744).

Almost surely, 2^13319953487 is an apocalyptic number.

13319953487 is a deficient number, since it is larger than the sum of its proper divisors (1).

13319953487 is an equidigital number, since it uses as much as digits as its factorization.

13319953487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2449440, while the sum is 53.

The spelling of 13319953487 in words is "thirteen billion, three hundred nineteen million, nine hundred fifty-three thousand, four hundred eighty-seven".