68019739896 has 64 divisors (see below), whose sum is σ = 170858160000. Its totient is φ = 22565662848.

The previous prime is 68019739891. The next prime is 68019739901. The reversal of 68019739896 is 69893791086.

It is an interprime number because it is at equal distance from previous prime (68019739891) and next prime (68019739901).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68019739891) 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, 4459435 + ... + 4474661.

It is an arithmetic number, because the mean of its divisors is an integer number (2669658750).

Almost surely, 2^68019739896 is an apocalyptic number.

It is an amenable number.

68019739896 is an abundant number, since it is smaller than the sum of its proper divisors (102838420104).

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

68019739896 is a wasteful number, since it uses less digits than its factorization.

68019739896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16108 (or 16104 counting only the distinct ones).

The product of its (nonzero) digits is 35271936, while the sum is 66.

The spelling of 68019739896 in words is "sixty-eight billion, nineteen million, seven hundred thirty-nine thousand, eight hundred ninety-six".