67400070673361 has 2 divisors, whose sum is σ = 67400070673362. Its totient is φ = 67400070673360.

The previous prime is 67400070673291. The next prime is 67400070673373. The reversal of 67400070673361 is 16337607000476.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65261047421761 + 2139023251600 = 8078431^2 + 1462540^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67400070673361 is a prime.

It is not a weakly prime, because it can be changed into another prime (67400070643361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33700035336680 + 33700035336681.

It is an arithmetic number, because the mean of its divisors is an integer number (33700035336681).

Almost surely, 2^{67400070673361} is an apocalyptic number.

It is an amenable number.

67400070673361 is a deficient number, since it is larger than the sum of its proper divisors (1).

67400070673361 is an equidigital number, since it uses as much as digits as its factorization.

67400070673361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2667168, while the sum is 50.

The spelling of 67400070673361 in words is "sixty-seven trillion, four hundred billion, seventy million, six hundred seventy-three thousand, three hundred sixty-one".