14891485309583 has 2 divisors, whose sum is σ = 14891485309584. Its totient is φ = 14891485309582.

The previous prime is 14891485309579. The next prime is 14891485309721. The reversal of 14891485309583 is 38590358419841.

14891485309583 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is an emirp because it is prime and its reverse (38590358419841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14891485309583 - 2² = 14891485309579 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14891485309783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7445742654791 + 7445742654792.

It is an arithmetic number, because the mean of its divisors is an integer number (7445742654792).

Almost surely, 2^{14891485309583} is an apocalyptic number.

14891485309583 is a deficient number, since it is larger than the sum of its proper divisors (1).

14891485309583 is an equidigital number, since it uses as much as digits as its factorization.

14891485309583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 149299200, while the sum is 68.

The spelling of 14891485309583 in words is "fourteen trillion, eight hundred ninety-one billion, four hundred eighty-five million, three hundred nine thousand, five hundred eighty-three".