19244047931268 has 24 divisors (see below), whose sum is σ = 45314730605760. Its totient is φ = 6355832343840.

The previous prime is 19244047931249. The next prime is 19244047931291. The reversal of 19244047931268 is 86213974044291.

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, 7356286128 + ... + 7356288743.

It is an arithmetic number, because the mean of its divisors is an integer number (1888113775240).

Almost surely, 2^{19244047931268} is an apocalyptic number.

It is an amenable number.

19244047931268 is an abundant number, since it is smaller than the sum of its proper divisors (26070682674492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19244047931268 is a wasteful number, since it uses less digits than its factorization.

19244047931268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14712574987 (or 14712574985 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 60.

The spelling of 19244047931268 in words is "nineteen trillion, two hundred forty-four billion, forty-seven million, nine hundred thirty-one thousand, two hundred sixty-eight".