14649522869 has 4 divisors (see below), whose sum is σ = 15154678860. Its totient is φ = 14144366880.

The previous prime is 14649522859. The next prime is 14649522911. The reversal of 14649522869 is 96822594641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 96822594641 = 1697 ⋅57055153.

It can be written as a sum of positive squares in 2 ways, for example, as 11867487844 + 2782035025 = 108938^2 + 52745^2 .

It is a cyclic number.

It is not a de Polignac number, because 14649522869 - 2³² = 10354555573 is a prime.

It is a super-2 number, since 2×14649522869² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14649522859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252577952 + ... + 252578009.

It is an arithmetic number, because the mean of its divisors is an integer number (3788669715).

Almost surely, 2^14649522869 is an apocalyptic number.

It is an amenable number.

14649522869 is a deficient number, since it is larger than the sum of its proper divisors (505155991).

14649522869 is an equidigital number, since it uses as much as digits as its factorization.

14649522869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 505155990.

The product of its digits is 7464960, while the sum is 56.

The spelling of 14649522869 in words is "fourteen billion, six hundred forty-nine million, five hundred twenty-two thousand, eight hundred sixty-nine".