13005621067 has 2 divisors, whose sum is σ = 13005621068. Its totient is φ = 13005621066.

The previous prime is 13005621043. The next prime is 13005621103. The reversal of 13005621067 is 76012650031.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13005621067 - 2²³ = 12997232459 is a prime.

It is not a weakly prime, because it can be changed into another prime (13005621017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6502810533 + 6502810534.

It is an arithmetic number, because the mean of its divisors is an integer number (6502810534).

Almost surely, 2^13005621067 is an apocalyptic number.

13005621067 is a deficient number, since it is larger than the sum of its proper divisors (1).

13005621067 is an equidigital number, since it uses as much as digits as its factorization.

13005621067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 13005621067 in words is "thirteen billion, five million, six hundred twenty-one thousand, sixty-seven".