67387730371433 has 4 divisors (see below), whose sum is σ = 67496948735700. Its totient is φ = 67278512007168.

The previous prime is 67387730371421. The next prime is 67387730371439. The reversal of 67387730371433 is 33417303778376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 34462030570969 + 32925699800464 = 5870437^2 + 5738092^2 .

It is a cyclic number.

It is not a de Polignac number, because 67387730371433 - 2¹⁰ = 67387730370409 is a prime.

It is a super-2 number, since 2×67387730371433² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67387730371439) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54609181208 + ... + 54609182441.

It is an arithmetic number, because the mean of its divisors is an integer number (16874237183925).

Almost surely, 2^{67387730371433} is an apocalyptic number.

It is an amenable number.

67387730371433 is a deficient number, since it is larger than the sum of its proper divisors (109218364267).

67387730371433 is a wasteful number, since it uses less digits than its factorization.

67387730371433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109218364266.

The product of its (nonzero) digits is 112021056, while the sum is 62.

The spelling of 67387730371433 in words is "sixty-seven trillion, three hundred eighty-seven billion, seven hundred thirty million, three hundred seventy-one thousand, four hundred thirty-three".