67375627489 has 2 divisors, whose sum is σ = 67375627490. Its totient is φ = 67375627488.

The previous prime is 67375627469. The next prime is 67375627493. The reversal of 67375627489 is 98472657376.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34819560000 + 32556067489 = 186600^2 + 180433^2 .

It is a cyclic number.

It is not a de Polignac number, because 67375627489 - 2⁹ = 67375626977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67375627489.

It is not a weakly prime, because it can be changed into another prime (67375627469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33687813744 + 33687813745.

It is an arithmetic number, because the mean of its divisors is an integer number (33687813745).

Almost surely, 2^67375627489 is an apocalyptic number.

It is an amenable number.

67375627489 is a deficient number, since it is larger than the sum of its proper divisors (1).

67375627489 is an equidigital number, since it uses as much as digits as its factorization.

67375627489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 106686720, while the sum is 64.

The spelling of 67375627489 in words is "sixty-seven billion, three hundred seventy-five million, six hundred twenty-seven thousand, four hundred eighty-nine".