14618502649 has 3 divisors (see below), whose sum is σ = 14618623557. Its totient is φ = 14618381742.

The previous prime is 14618502601. The next prime is 14618502677. The reversal of 14618502649 is 94620581641.

It is a happy number.

The square root of 14618502649 is 120907.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 14618502649 - 2¹⁷ = 14618371577 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14618502599 and 14618502608.

It is not an unprimeable number, because it can be changed into a prime (14618502049) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60454 + ... + 181360.

It is an arithmetic number, because the mean of its divisors is an integer number (4872874519).

Almost surely, 2^14618502649 is an apocalyptic number.

14618502649 is the 120907-th square number.

14618502649 is the 60454-th centered octagonal number.

It is an amenable number.

14618502649 is a deficient number, since it is larger than the sum of its proper divisors (120908).

14618502649 is an frugal number, since it uses more digits than its factorization.

14618502649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241814 (or 120907 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 46.

The spelling of 14618502649 in words is "fourteen billion, six hundred eighteen million, five hundred two thousand, six hundred forty-nine".