67749361301 has 2 divisors, whose sum is σ = 67749361302. Its totient is φ = 67749361300.

The previous prime is 67749361249. The next prime is 67749361319. The reversal of 67749361301 is 10316394776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46608492100 + 21140869201 = 215890^2 + 145399^2 .

It is a cyclic number.

It is not a de Polignac number, because 67749361301 - 2²⁶ = 67682252437 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (67749361391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33874680650 + 33874680651.

It is an arithmetic number, because the mean of its divisors is an integer number (33874680651).

Almost surely, 2^67749361301 is an apocalyptic number.

It is an amenable number.

67749361301 is a deficient number, since it is larger than the sum of its proper divisors (1).

67749361301 is an equidigital number, since it uses as much as digits as its factorization.

67749361301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 571536, while the sum is 47.

The spelling of 67749361301 in words is "sixty-seven billion, seven hundred forty-nine million, three hundred sixty-one thousand, three hundred one".