19448346242 has 16 divisors (see below), whose sum is σ = 31814240640. Its totient is φ = 8862536592.

The previous prime is 19448346179. The next prime is 19448346251. The reversal of 19448346242 is 24264384491.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4732208 + ... + 4736315.

It is an arithmetic number, because the mean of its divisors is an integer number (1988390040).

Almost surely, 2^19448346242 is an apocalyptic number.

19448346242 is a deficient number, since it is larger than the sum of its proper divisors (12365894398).

19448346242 is a wasteful number, since it uses less digits than its factorization.

19448346242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9468617.

The product of its digits is 1327104, while the sum is 47.

The spelling of 19448346242 in words is "nineteen billion, four hundred forty-eight million, three hundred forty-six thousand, two hundred forty-two".