71612205463 has 2 divisors, whose sum is σ = 71612205464. Its totient is φ = 71612205462.

The previous prime is 71612205439. The next prime is 71612205559. The reversal of 71612205463 is 36450221617.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71612205463 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71612202463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35806102731 + 35806102732.

It is an arithmetic number, because the mean of its divisors is an integer number (35806102732).

Almost surely, 2^71612205463 is an apocalyptic number.

71612205463 is a deficient number, since it is larger than the sum of its proper divisors (1).

71612205463 is an equidigital number, since it uses as much as digits as its factorization.

71612205463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 37.

The spelling of 71612205463 in words is "seventy-one billion, six hundred twelve million, two hundred five thousand, four hundred sixty-three".