19960895694 has 16 divisors (see below), whose sum is σ = 40598432640. Its totient is φ = 6540858360.

The previous prime is 19960895681. The next prime is 19960895699. The reversal of 19960895694 is 49659806991.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19960895699) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28193002 + ... + 28193709.

It is an arithmetic number, because the mean of its divisors is an integer number (2537402040).

Almost surely, 2^19960895694 is an apocalyptic number.

19960895694 is an abundant number, since it is smaller than the sum of its proper divisors (20637536946).

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

19960895694 is a wasteful number, since it uses less digits than its factorization.

19960895694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56386775.

The product of its (nonzero) digits is 37791360, while the sum is 66.

The spelling of 19960895694 in words is "nineteen billion, nine hundred sixty million, eight hundred ninety-five thousand, six hundred ninety-four".