14491649 has 4 divisors (see below), whose sum is σ = 14499264. Its totient is φ = 14484036.

The previous prime is 14491643. The next prime is 14491657. The reversal of 14491649 is 94619441.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14491649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14491643) 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, 1844 + ... + 5690.

It is an arithmetic number, because the mean of its divisors is an integer number (3624816).

It is a Proth number, since it is equal to 1769 ⋅ 2¹³ + 1 and 1769 < 2¹³.

Almost surely, 2^14491649 is an apocalyptic number.

It is an amenable number.

14491649 is a deficient number, since it is larger than the sum of its proper divisors (7615).

14491649 is an equidigital number, since it uses as much as digits as its factorization.

14491649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7614.

The product of its digits is 31104, while the sum is 38.

The square root of 14491649 is about 3806.7898549828. The cubic root of 14491649 is about 243.8031254794.

The spelling of 14491649 in words is "fourteen million, four hundred ninety-one thousand, six hundred forty-nine".