14954440993 has 4 divisors (see below), whose sum is σ = 14956124740. Its totient is φ = 14952757248.

The previous prime is 14954440883. The next prime is 14954441009. The reversal of 14954440993 is 39904445941.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6801795729 + 8152645264 = 82473^2 + 90292^2 .

It is a cyclic number.

It is not a de Polignac number, because 14954440993 - 2¹⁷ = 14954309921 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14954440993.

It is not an unprimeable number, because it can be changed into a prime (14954440493) 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, 828480 + ... + 846337.

It is an arithmetic number, because the mean of its divisors is an integer number (3739031185).

Almost surely, 2^14954440993 is an apocalyptic number.

It is an amenable number.

14954440993 is a deficient number, since it is larger than the sum of its proper divisors (1683747).

14954440993 is an equidigital number, since it uses as much as digits as its factorization.

14954440993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683746.

The product of its (nonzero) digits is 2799360, while the sum is 52.

The spelling of 14954440993 in words is "fourteen billion, nine hundred fifty-four million, four hundred forty thousand, nine hundred ninety-three".