67309454323968 has 108 divisors (see below), whose sum is σ = 185106473378064. Its totient is φ = 21712726963200.

The previous prime is 67309454323949. The next prime is 67309454323987. The reversal of 67309454323968 is 86932345490376.

It is an interprime number because it is at equal distance from previous prime (67309454323949) and next prime (67309454323987).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44861598 + ... + 46337693.

Almost surely, 2^{67309454323968} is an apocalyptic number.

It is an amenable number.

67309454323968 is an abundant number, since it is smaller than the sum of its proper divisors (117797019054096).

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

67309454323968 is an equidigital number, since it uses as much as digits as its factorization.

67309454323968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91199372 (or 91199327 counting only the distinct ones).

The product of its (nonzero) digits is 705438720, while the sum is 69.

The spelling of 67309454323968 in words is "sixty-seven trillion, three hundred nine billion, four hundred fifty-four million, three hundred twenty-three thousand, nine hundred sixty-eight".