67809453084 has 36 divisors (see below), whose sum is σ = 172074206304. Its totient is φ = 22515197952.

The previous prime is 67809453067. The next prime is 67809453133. The reversal of 67809453084 is 48035490876.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×67809453084² (a number of 22 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 67809453084.

It is a congruent number.

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, 3655332 + ... + 3673835.

It is an arithmetic number, because the mean of its divisors is an integer number (4779839064).

Almost surely, 2^67809453084 is an apocalyptic number.

It is an amenable number.

67809453084 is an abundant number, since it is smaller than the sum of its proper divisors (104264753220).

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

67809453084 is a wasteful number, since it uses less digits than its factorization.

67809453084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7329434 (or 7329429 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 67809453084 in words is "sixty-seven billion, eight hundred nine million, four hundred fifty-three thousand, eighty-four".