19956079041 has 32 divisors (see below), whose sum is σ = 27110111616. Its totient is φ = 13056000000.

The previous prime is 19956079001. The next prime is 19956079063. The reversal of 19956079041 is 14097065991.

It is not a de Polignac number, because 19956079041 - 2⁹ = 19956078529 is a prime.

It is not an unprimeable number, because it can be changed into a prime (19956079001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19545111 + ... + 19546131.

It is an arithmetic number, because the mean of its divisors is an integer number (847190988).

Almost surely, 2^19956079041 is an apocalyptic number.

It is an amenable number.

19956079041 is a deficient number, since it is larger than the sum of its proper divisors (7154032575).

19956079041 is a wasteful number, since it uses less digits than its factorization.

19956079041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1633.

The product of its (nonzero) digits is 612360, while the sum is 51.

The spelling of 19956079041 in words is "nineteen billion, nine hundred fifty-six million, seventy-nine thousand, forty-one".