19346480929 has 4 divisors (see below), whose sum is σ = 19545929284. Its totient is φ = 19147032576.

The previous prime is 19346480917. The next prime is 19346480953. The reversal of 19346480929 is 92908464391.

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 13581571600 + 5764909329 = 116540^2 + 75927^2 .

It is a cyclic number.

It is not a de Polignac number, because 19346480929 - 2⁷ = 19346480801 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 19346480929.

It is not an unprimeable number, because it can be changed into a prime (19346487929) 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, 99724032 + ... + 99724225.

It is an arithmetic number, because the mean of its divisors is an integer number (4886482321).

Almost surely, 2^19346480929 is an apocalyptic number.

It is an amenable number.

19346480929 is a deficient number, since it is larger than the sum of its proper divisors (199448355).

19346480929 is an equidigital number, since it uses as much as digits as its factorization.

19346480929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199448354.

The product of its (nonzero) digits is 3359232, while the sum is 55.

The spelling of 19346480929 in words is "nineteen billion, three hundred forty-six million, four hundred eighty thousand, nine hundred twenty-nine".