67841988093 has 12 divisors (see below), whose sum is σ = 106902526848. Its totient is φ = 41116356360.

The previous prime is 67841988029. The next prime is 67841988113. The reversal of 67841988093 is 39088914876.

It is not a de Polignac number, because 67841988093 - 2⁶ = 67841988029 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67841988093.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67841988293) 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, 342636205 + ... + 342636402.

It is an arithmetic number, because the mean of its divisors is an integer number (8908543904).

Almost surely, 2^67841988093 is an apocalyptic number.

It is an amenable number.

67841988093 is a deficient number, since it is larger than the sum of its proper divisors (39060538755).

67841988093 is a wasteful number, since it uses less digits than its factorization.

67841988093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685272624 (or 685272621 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 67841988093 in words is "sixty-seven billion, eight hundred forty-one million, nine hundred eighty-eight thousand, ninety-three".