14909779473 has 4 divisors (see below), whose sum is σ = 19879705968. Its totient is φ = 9939852980.

The previous prime is 14909779471. The next prime is 14909779477. The reversal of 14909779473 is 37497790941.

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 14909779473 - 2¹ = 14909779471 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14909779471) 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, 2484963243 + ... + 2484963248.

It is an arithmetic number, because the mean of its divisors is an integer number (4969926492).

Almost surely, 2^14909779473 is an apocalyptic number.

It is an amenable number.

14909779473 is a deficient number, since it is larger than the sum of its proper divisors (4969926495).

14909779473 is an equidigital number, since it uses as much as digits as its factorization.

14909779473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4969926494.

The product of its (nonzero) digits is 12002256, while the sum is 60.

The spelling of 14909779473 in words is "fourteen billion, nine hundred nine million, seven hundred seventy-nine thousand, four hundred seventy-three".