14897952769 has 4 divisors (see below), whose sum is σ = 17026231744. Its totient is φ = 12769673796.

The previous prime is 14897952757. The next prime is 14897952779. The reversal of 14897952769 is 96725979841.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14897952769 - 2⁹ = 14897952257 is a prime.

It is a super-2 number, since 2×14897952769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14897952739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064139477 + ... + 1064139490.

It is an arithmetic number, because the mean of its divisors is an integer number (4256557936).

Almost surely, 2^14897952769 is an apocalyptic number.

It is an amenable number.

14897952769 is a deficient number, since it is larger than the sum of its proper divisors (2128278975).

14897952769 is an equidigital number, since it uses as much as digits as its factorization.

14897952769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128278974.

The product of its digits is 68584320, while the sum is 67.

The spelling of 14897952769 in words is "fourteen billion, eight hundred ninety-seven million, nine hundred fifty-two thousand, seven hundred sixty-nine".