67542479201 has 2 divisors, whose sum is σ = 67542479202. Its totient is φ = 67542479200.

The previous prime is 67542479141. The next prime is 67542479227. The reversal of 67542479201 is 10297424576.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 67521502801 + 20976400 = 259849^2 + 4580^2 .

It is a cyclic number.

It is not a de Polignac number, because 67542479201 - 2²² = 67538284897 is a prime.

It is not a weakly prime, because it can be changed into another prime (67542476201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33771239600 + 33771239601.

It is an arithmetic number, because the mean of its divisors is an integer number (33771239601).

Almost surely, 2^67542479201 is an apocalyptic number.

It is an amenable number.

67542479201 is a deficient number, since it is larger than the sum of its proper divisors (1).

67542479201 is an equidigital number, since it uses as much as digits as its factorization.

67542479201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 67542479201 in words is "sixty-seven billion, five hundred forty-two million, four hundred seventy-nine thousand, two hundred one".