68343634386 has 32 divisors (see below), whose sum is σ = 151885065600. Its totient is φ = 22779663120.

The previous prime is 68343634367. The next prime is 68343634399.

68343634386 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×68343634386² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 983716 + ... + 1050896.

It is an arithmetic number, because the mean of its divisors is an integer number (4746408300).

Almost surely, 2^68343634386 is an apocalyptic number.

68343634386 is an abundant number, since it is smaller than the sum of its proper divisors (83541431214).

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

68343634386 is a wasteful number, since it uses less digits than its factorization.

68343634386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86031 (or 86025 counting only the distinct ones).

The product of its digits is 17915904, while the sum is 54.

The spelling of 68343634386 in words is "sixty-eight billion, three hundred forty-three million, six hundred thirty-four thousand, three hundred eighty-six".