67091294312 has 48 divisors (see below), whose sum is σ = 149903494020. Its totient is φ = 28052102400.

The previous prime is 67091294287. The next prime is 67091294317. The reversal of 67091294312 is 21349219076.

It can be written as a sum of positive squares in 2 ways, for example, as 66943282756 + 148011556 = 258734^2 + 12166^2 .

It is not an unprimeable number, because it can be changed into a prime (67091294317) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2071139 + ... + 2103282.

Almost surely, 2^67091294312 is an apocalyptic number.

It is an amenable number.

67091294312 is an abundant number, since it is smaller than the sum of its proper divisors (82812199708).

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

67091294312 is a wasteful number, since it uses less digits than its factorization.

67091294312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4174482 (or 4174471 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 44.

The spelling of 67091294312 in words is "sixty-seven billion, ninety-one million, two hundred ninety-four thousand, three hundred twelve".