19844112058 has 4 divisors (see below), whose sum is σ = 29766168090. Its totient is φ = 9922056028.

The previous prime is 19844111983. The next prime is 19844112091. The reversal of 19844112058 is 85021144891.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 17059755769 + 2784356289 = 130613^2 + 52767^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4961028013 + ... + 4961028016.

Almost surely, 2^19844112058 is an apocalyptic number.

19844112058 is a deficient number, since it is larger than the sum of its proper divisors (9922056032).

19844112058 is an equidigital number, since it uses as much as digits as its factorization.

19844112058 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9922056031.

The product of its (nonzero) digits is 92160, while the sum is 43.

The spelling of 19844112058 in words is "nineteen billion, eight hundred forty-four million, one hundred twelve thousand, fifty-eight".