71625160670447 has 2 divisors, whose sum is σ = 71625160670448. Its totient is φ = 71625160670446.

The previous prime is 71625160670431. The next prime is 71625160670449. The reversal of 71625160670447 is 74407606152617.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71625160670447 - 2⁴ = 71625160670431 is a prime.

Together with 71625160670449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 71625160670392 and 71625160670401.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71625160670449) 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, 35812580335223 + 35812580335224.

It is an arithmetic number, because the mean of its divisors is an integer number (35812580335224).

Almost surely, 2^{71625160670447} is an apocalyptic number.

71625160670447 is a deficient number, since it is larger than the sum of its proper divisors (1).

71625160670447 is an equidigital number, since it uses as much as digits as its factorization.

71625160670447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11854080, while the sum is 56.

The spelling of 71625160670447 in words is "seventy-one trillion, six hundred twenty-five billion, one hundred sixty million, six hundred seventy thousand, four hundred forty-seven".