67980122497 has 4 divisors (see below), whose sum is σ = 77691568576. Its totient is φ = 58268676420.

The previous prime is 67980122471. The next prime is 67980122521. The reversal of 67980122497 is 79422108976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 67980122497 - 2¹¹ = 67980120449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67980122897) 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, 4855723029 + ... + 4855723042.

It is an arithmetic number, because the mean of its divisors is an integer number (19422892144).

Almost surely, 2^67980122497 is an apocalyptic number.

It is an amenable number.

67980122497 is a deficient number, since it is larger than the sum of its proper divisors (9711446079).

67980122497 is an equidigital number, since it uses as much as digits as its factorization.

67980122497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9711446078.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 67980122497 in words is "sixty-seven billion, nine hundred eighty million, one hundred twenty-two thousand, four hundred ninety-seven".