68389370413 has 48 divisors (see below), whose sum is σ = 88542913536. Its totient is φ = 52302862080.

The previous prime is 68389370411. The next prime is 68389370417. The reversal of 68389370413 is 31407398386.

It is a happy number.

It is not a de Polignac number, because 68389370413 - 2¹ = 68389370411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68389370411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 23556720 + ... + 23559622.

It is an arithmetic number, because the mean of its divisors is an integer number (1844644032).

Almost surely, 2^68389370413 is an apocalyptic number.

It is an amenable number.

68389370413 is a deficient number, since it is larger than the sum of its proper divisors (20153543123).

68389370413 is a wasteful number, since it uses less digits than its factorization.

68389370413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154 (or 4147 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 52.

The spelling of 68389370413 in words is "sixty-eight billion, three hundred eighty-nine million, three hundred seventy thousand, four hundred thirteen".