71428650793 has 2 divisors, whose sum is σ = 71428650794. Its totient is φ = 71428650792.

The previous prime is 71428650739. The next prime is 71428650803. The reversal of 71428650793 is 39705682417.

Together with previous prime (71428650739) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 71159297049 + 269353744 = 266757^2 + 16412^2 .

It is an emirp because it is prime and its reverse (39705682417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71428650793 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71428650793.

It is not a weakly prime, because it can be changed into another prime (71428650493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35714325396 + 35714325397.

It is an arithmetic number, because the mean of its divisors is an integer number (35714325397).

It is a 1-persistent number, because it is pandigital, but 2⋅71428650793 = 142857301586 is not.

Almost surely, 2^71428650793 is an apocalyptic number.

It is an amenable number.

71428650793 is a deficient number, since it is larger than the sum of its proper divisors (1).

71428650793 is an equidigital number, since it uses as much as digits as its factorization.

71428650793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2540160, while the sum is 52.

The spelling of 71428650793 in words is "seventy-one billion, four hundred twenty-eight million, six hundred fifty thousand, seven hundred ninety-three".