19496978241 has 16 divisors (see below), whose sum is σ = 29642465664. Its totient is φ = 11292367104.

The previous prime is 19496978227. The next prime is 19496978243. The reversal of 19496978241 is 14287969491.

It is not a de Polignac number, because 19496978241 - 2⁶ = 19496978177 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (19496978243) 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 15 ways as a sum of consecutive naturals, for example, 14702941 + ... + 14704266.

It is an arithmetic number, because the mean of its divisors is an integer number (1852654104).

Almost surely, 2^19496978241 is an apocalyptic number.

It is an amenable number.

19496978241 is a deficient number, since it is larger than the sum of its proper divisors (10145487423).

19496978241 is a wasteful number, since it uses less digits than its factorization.

19496978241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29407240.

The product of its digits is 7838208, while the sum is 60.

The spelling of 19496978241 in words is "nineteen billion, four hundred ninety-six million, nine hundred seventy-eight thousand, two hundred forty-one".