71000000704057 has 2 divisors, whose sum is σ = 71000000704058. Its totient is φ = 71000000704056.

The previous prime is 71000000704051. The next prime is 71000000704079. The reversal of 71000000704057 is 75040700000017.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70973278590096 + 26722113961 = 8424564^2 + 163469^2 .

It is a cyclic number.

It is not a de Polignac number, because 71000000704057 - 2¹⁹ = 71000000179769 is a prime.

It is not a weakly prime, because it can be changed into another prime (71000000704051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35500000352028 + 35500000352029.

It is an arithmetic number, because the mean of its divisors is an integer number (35500000352029).

Almost surely, 2^{71000000704057} is an apocalyptic number.

It is an amenable number.

71000000704057 is a deficient number, since it is larger than the sum of its proper divisors (1).

71000000704057 is an equidigital number, since it uses as much as digits as its factorization.

71000000704057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6860, while the sum is 31.

The spelling of 71000000704057 in words is "seventy-one trillion, seven hundred four thousand, fifty-seven".