14605605649 has 4 divisors (see below), whose sum is σ = 14916363264. Its totient is φ = 14294848036.

The previous prime is 14605605631. The next prime is 14605605661. The reversal of 14605605649 is 94650650641.

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 14605605649 - 2⁹ = 14605605137 is a prime.

It is a super-2 number, since 2×14605605649² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14605605599 and 14605605608.

It is not an unprimeable number, because it can be changed into a prime (14605605149) 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, 155378737 + ... + 155378830.

It is an arithmetic number, because the mean of its divisors is an integer number (3729090816).

Almost surely, 2^14605605649 is an apocalyptic number.

It is an amenable number.

14605605649 is a deficient number, since it is larger than the sum of its proper divisors (310757615).

14605605649 is an equidigital number, since it uses as much as digits as its factorization.

14605605649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310757614.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 14605605649 in words is "fourteen billion, six hundred five million, six hundred five thousand, six hundred forty-nine".