7129397567 has 2 divisors, whose sum is σ = 7129397568. Its totient is φ = 7129397566.

The previous prime is 7129397557. The next prime is 7129397657. The reversal of 7129397567 is 7657939217.

Together with next prime (7129397657) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7129397567 - 2⁴ = 7129397551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7129397537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3564698783 + 3564698784.

It is an arithmetic number, because the mean of its divisors is an integer number (3564698784).

Almost surely, 2^7129397567 is an apocalyptic number.

7129397567 is a deficient number, since it is larger than the sum of its proper divisors (1).

7129397567 is an equidigital number, since it uses as much as digits as its factorization.

7129397567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5000940, while the sum is 56.

The square root of 7129397567 is about 84435.7600013170. The cubic root of 7129397567 is about 1924.6463682329.

The spelling of 7129397567 in words is "seven billion, one hundred twenty-nine million, three hundred ninety-seven thousand, five hundred sixty-seven".