68392136386 has 32 divisors (see below), whose sum is σ = 119976837120. Its totient is φ = 28630108176.

The previous prime is 68392136383. The next prime is 68392136389. The reversal of 68392136386 is 68363129386.

It is an interprime number because it is at equal distance from previous prime (68392136383) and next prime (68392136389).

It is not an unprimeable number, because it can be changed into a prime (68392136383) 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, 227655 + ... + 434293.

It is an arithmetic number, because the mean of its divisors is an integer number (3749276160).

Almost surely, 2^68392136386 is an apocalyptic number.

68392136386 is a deficient number, since it is larger than the sum of its proper divisors (51584700734).

68392136386 is a wasteful number, since it uses less digits than its factorization.

68392136386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207198.

The product of its digits is 6718464, while the sum is 55.

The spelling of 68392136386 in words is "sixty-eight billion, three hundred ninety-two million, one hundred thirty-six thousand, three hundred eighty-six".