14997431297 has 16 divisors (see below), whose sum is σ = 16317523152. Its totient is φ = 13726402560.

The previous prime is 14997431279. The next prime is 14997431299. The reversal of 14997431297 is 79213479941.

14997431297 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 122464²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 6976258576 + 8021172721 = 83524^2 + 89561^2 .

It is a cyclic number.

It is not a de Polignac number, because 14997431297 - 2¹² = 14997427201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14997431299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1429523 + ... + 1439975.

It is an arithmetic number, because the mean of its divisors is an integer number (1019845197).

Almost surely, 2^14997431297 is an apocalyptic number.

14997431297 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

14997431297 is a deficient number, since it is larger than the sum of its proper divisors (1320091855).

14997431297 is a wasteful number, since it uses less digits than its factorization.

14997431297 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12788.

The product of its digits is 3429216, while the sum is 56.

The spelling of 14997431297 in words is "fourteen billion, nine hundred ninety-seven million, four hundred thirty-one thousand, two hundred ninety-seven".