13004651563 has 2 divisors, whose sum is σ = 13004651564. Its totient is φ = 13004651562.

The previous prime is 13004651531. The next prime is 13004651573. The reversal of 13004651563 is 36515640031.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13004651563 - 2⁵ = 13004651531 is a prime.

It is not a weakly prime, because it can be changed into another prime (13004651573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502325781 + 6502325782.

It is an arithmetic number, because the mean of its divisors is an integer number (6502325782).

Almost surely, 2^13004651563 is an apocalyptic number.

13004651563 is a deficient number, since it is larger than the sum of its proper divisors (1).

13004651563 is an equidigital number, since it uses as much as digits as its factorization.

13004651563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32400, while the sum is 34.

The spelling of 13004651563 in words is "thirteen billion, four million, six hundred fifty-one thousand, five hundred sixty-three".