67725849601 has 2 divisors, whose sum is σ = 67725849602. Its totient is φ = 67725849600.

The previous prime is 67725849559. The next prime is 67725849613. The reversal of 67725849601 is 10694852776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40294540225 + 27431309376 = 200735^2 + 165624^2 .

It is a cyclic number.

It is not a de Polignac number, because 67725849601 - 2¹⁹ = 67725325313 is a prime.

It is not a weakly prime, because it can be changed into another prime (67725849641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33862924800 + 33862924801.

It is an arithmetic number, because the mean of its divisors is an integer number (33862924801).

Almost surely, 2^67725849601 is an apocalyptic number.

It is an amenable number.

67725849601 is a deficient number, since it is larger than the sum of its proper divisors (1).

67725849601 is an equidigital number, since it uses as much as digits as its factorization.

67725849601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 67725849601 in words is "sixty-seven billion, seven hundred twenty-five million, eight hundred forty-nine thousand, six hundred one".