39071425509797 has 2 divisors, whose sum is σ = 39071425509798. Its totient is φ = 39071425509796.

The previous prime is 39071425509709. The next prime is 39071425509799. The reversal of 39071425509797 is 79790552417093.

It is a Cunningham number, because it is equal to 6250714²+1.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39071425509796 + 1 = 6250714^2 + 1^2 .

It is a cyclic number.

It is not a de Polignac number, because 39071425509797 - 2³⁰ = 39070351767973 is a prime.

It is a super-2 number, since 2×39071425509797² (a number of 28 digits) contains 22 as substring.

Together with 39071425509799, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (39071425509799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19535712754898 + 19535712754899.

It is an arithmetic number, because the mean of its divisors is an integer number (19535712754899).

Almost surely, 2^{39071425509797} is an apocalyptic number.

It is an amenable number.

39071425509797 is a deficient number, since it is larger than the sum of its proper divisors (1).

39071425509797 is an equidigital number, since it uses as much as digits as its factorization.

39071425509797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 150028200, while the sum is 68.

The spelling of 39071425509797 in words is "thirty-nine trillion, seventy-one billion, four hundred twenty-five million, five hundred nine thousand, seven hundred ninety-seven".