67621003893 has 12 divisors (see below), whose sum is σ = 98587633248. Its totient is φ = 44659353960.

The previous prime is 67621003889. The next prime is 67621003907. The reversal of 67621003893 is 39830012676.

It is not a de Polignac number, because 67621003893 - 2² = 67621003889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67621003843) 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, 35108593 + ... + 35110518.

It is an arithmetic number, because the mean of its divisors is an integer number (8215636104).

Almost surely, 2^67621003893 is an apocalyptic number.

It is an amenable number.

67621003893 is a deficient number, since it is larger than the sum of its proper divisors (30966629355).

67621003893 is a wasteful number, since it uses less digits than its factorization.

67621003893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70219224 (or 70219221 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The spelling of 67621003893 in words is "sixty-seven billion, six hundred twenty-one million, three thousand, eight hundred ninety-three".