14897201647 has 2 divisors, whose sum is σ = 14897201648. Its totient is φ = 14897201646.

The previous prime is 14897201629. The next prime is 14897201791. The reversal of 14897201647 is 74610279841.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14897201647 - 2¹¹ = 14897199599 is a prime.

It is a super-2 number, since 2×14897201647² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 14897201647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14897201947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7448600823 + 7448600824.

It is an arithmetic number, because the mean of its divisors is an integer number (7448600824).

Almost surely, 2^14897201647 is an apocalyptic number.

14897201647 is a deficient number, since it is larger than the sum of its proper divisors (1).

14897201647 is an equidigital number, since it uses as much as digits as its factorization.

14897201647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 14897201647 in words is "fourteen billion, eight hundred ninety-seven million, two hundred one thousand, six hundred forty-seven".