68756269395 has 32 divisors (see below), whose sum is σ = 127070415360. Its totient is φ = 31375408640.

The previous prime is 68756269369. The next prime is 68756269409. The reversal of 68756269395 is 59396265786.

It is a happy number.

It is not a de Polignac number, because 68756269395 - 2¹² = 68756265299 is a prime.

It is a super-2 number, since 2×68756269395² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12253215 + ... + 12258824.

It is an arithmetic number, because the mean of its divisors is an integer number (3970950480).

Almost surely, 2^68756269395 is an apocalyptic number.

68756269395 is a deficient number, since it is larger than the sum of its proper divisors (58314145965).

68756269395 is a wasteful number, since it uses less digits than its factorization.

68756269395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24512075.

The product of its digits is 146966400, while the sum is 66.

The spelling of 68756269395 in words is "sixty-eight billion, seven hundred fifty-six million, two hundred sixty-nine thousand, three hundred ninety-five".