67948698569 has 2 divisors, whose sum is σ = 67948698570. Its totient is φ = 67948698568.

The previous prime is 67948698557. The next prime is 67948698667. The reversal of 67948698569 is 96589684976.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46305875344 + 21642823225 = 215188^2 + 147115^2 .

It is a cyclic number.

It is not a de Polignac number, because 67948698569 - 2²⁰ = 67947649993 is a prime.

It is a super-2 number, since 2×67948698569² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 67948698569.

It is not a weakly prime, because it can be changed into another prime (67948698509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33974349284 + 33974349285.

It is an arithmetic number, because the mean of its divisors is an integer number (33974349285).

Almost surely, 2^67948698569 is an apocalyptic number.

It is an amenable number.

67948698569 is a deficient number, since it is larger than the sum of its proper divisors (1).

67948698569 is an equidigital number, since it uses as much as digits as its factorization.

67948698569 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1410877440, while the sum is 77.

The spelling of 67948698569 in words is "sixty-seven billion, nine hundred forty-eight million, six hundred ninety-eight thousand, five hundred sixty-nine".