19670242379 has 8 divisors (see below), whose sum is σ = 19828679472. Its totient is φ = 19512319840.

The previous prime is 19670242337. The next prime is 19670242391. The reversal of 19670242379 is 97324207691.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19670242379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19670242399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51692 + ... + 204969.

It is an arithmetic number, because the mean of its divisors is an integer number (2478584934).

Almost surely, 2^19670242379 is an apocalyptic number.

19670242379 is a deficient number, since it is larger than the sum of its proper divisors (158437093).

19670242379 is a wasteful number, since it uses less digits than its factorization.

19670242379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257277.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The spelling of 19670242379 in words is "nineteen billion, six hundred seventy million, two hundred forty-two thousand, three hundred seventy-nine".