19124317402 has 8 divisors (see below), whose sum is σ = 28778716512. Its totient is φ = 9531411900.

The previous prime is 19124317321. The next prime is 19124317439. The reversal of 19124317402 is 20471342191.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15372624 + ... + 15373867.

It is an arithmetic number, because the mean of its divisors is an integer number (3597339564).

Almost surely, 2^19124317402 is an apocalyptic number.

19124317402 is a deficient number, since it is larger than the sum of its proper divisors (9654399110).

19124317402 is a wasteful number, since it uses less digits than its factorization.

19124317402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30746804.

The product of its (nonzero) digits is 12096, while the sum is 34.

Adding to 19124317402 its reverse (20471342191), we get a palindrome (39595659593).

The spelling of 19124317402 in words is "nineteen billion, one hundred twenty-four million, three hundred seventeen thousand, four hundred two".