19946441935 has 16 divisors (see below), whose sum is σ = 27436309056. Its totient is φ = 13636965888.

The previous prime is 19946441923. The next prime is 19946441939. The reversal of 19946441935 is 53914464991.

It is not a de Polignac number, because 19946441935 - 2⁷ = 19946441807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19946441939) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833752 + ... + 857341.

It is an arithmetic number, because the mean of its divisors is an integer number (1714769316).

Almost surely, 2^19946441935 is an apocalyptic number.

19946441935 is a deficient number, since it is larger than the sum of its proper divisors (7489867121).

19946441935 is a wasteful number, since it uses less digits than its factorization.

19946441935 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1691442.

The product of its digits is 4199040, while the sum is 55.

The spelling of 19946441935 in words is "nineteen billion, nine hundred forty-six million, four hundred forty-one thousand, nine hundred thirty-five".