19340467949 has 8 divisors (see below), whose sum is σ = 21100106880. Its totient is φ = 17581064800.

The previous prime is 19340467921. The next prime is 19340467957. The reversal of 19340467949 is 94976404391.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 19340467949 - 2¹⁶ = 19340402413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19340467894 and 19340467903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19340463949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142529 + ... + 242889.

It is an arithmetic number, because the mean of its divisors is an integer number (2637513360).

Almost surely, 2^19340467949 is an apocalyptic number.

It is an amenable number.

19340467949 is a deficient number, since it is larger than the sum of its proper divisors (1759638931).

19340467949 is a wasteful number, since it uses less digits than its factorization.

19340467949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117891.

The product of its (nonzero) digits is 5878656, while the sum is 56.

The spelling of 19340467949 in words is "nineteen billion, three hundred forty million, four hundred sixty-seven thousand, nine hundred forty-nine".