14909209979 has 2 divisors, whose sum is σ = 14909209980. Its totient is φ = 14909209978.

The previous prime is 14909209963. The next prime is 14909210003. The reversal of 14909209979 is 97990290941.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 14909209979 - 2⁴ = 14909209963 is a prime.

It is not a weakly prime, because it can be changed into another prime (14909209949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7454604989 + 7454604990.

It is an arithmetic number, because the mean of its divisors is an integer number (7454604990).

Almost surely, 2^14909209979 is an apocalyptic number.

14909209979 is a deficient number, since it is larger than the sum of its proper divisors (1).

14909209979 is an equidigital number, since it uses as much as digits as its factorization.

14909209979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3306744, while the sum is 59.

The spelling of 14909209979 in words is "fourteen billion, nine hundred nine million, two hundred nine thousand, nine hundred seventy-nine".