68432067821594 has 8 divisors (see below), whose sum is σ = 102655186329780. Its totient is φ = 34213672378336.

The previous prime is 68432067821561. The next prime is 68432067821617. The reversal of 68432067821594 is 49512876023486.

It can be written as a sum of positive squares in 2 ways, for example, as 68406347680969 + 25720140625 = 8270813^2 + 160375^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×68432067821594² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68432067821594.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1180730009 + ... + 1180787964.

It is a 1-persistent number, because it is pandigital, but 2⋅68432067821594 = 136864135643188 is not.

Almost surely, 2^{68432067821594} is an apocalyptic number.

68432067821594 is a deficient number, since it is larger than the sum of its proper divisors (34223118508186).

68432067821594 is a wasteful number, since it uses less digits than its factorization.

68432067821594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2361532464.

The product of its (nonzero) digits is 139345920, while the sum is 65.

The spelling of 68432067821594 in words is "sixty-eight trillion, four hundred thirty-two billion, sixty-seven million, eight hundred twenty-one thousand, five hundred ninety-four".