14649894641 has 4 divisors (see below), whose sum is σ = 14898198000. Its totient is φ = 14401591284.

The previous prime is 14649894607. The next prime is 14649894647.

14649894641 is nontrivially palindromic in base 10.

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 14649894641 - 2¹⁸ = 14649632497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14649894647) 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, 124151591 + ... + 124151708.

It is an arithmetic number, because the mean of its divisors is an integer number (3724549500).

Almost surely, 2^14649894641 is an apocalyptic number.

It is an amenable number.

14649894641 is a deficient number, since it is larger than the sum of its proper divisors (248303359).

14649894641 is an equidigital number, since it uses as much as digits as its factorization.

14649894641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248303358.

The product of its digits is 5971968, while the sum is 56.

The spelling of 14649894641 in words is "fourteen billion, six hundred forty-nine million, eight hundred ninety-four thousand, six hundred forty-one".