3806985600071 has 2 divisors, whose sum is σ = 3806985600072. Its totient is φ = 3806985600070.

The previous prime is 3806985599933. The next prime is 3806985600073. The reversal of 3806985600071 is 1700065896083.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3806985600071 is a prime.

Together with 3806985600073, 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 = 3806985599986 and 3806985600022.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3806985600073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903492800035 + 1903492800036.

It is an arithmetic number, because the mean of its divisors is an integer number (1903492800036).

Almost surely, 2^{3806985600071} is an apocalyptic number.

3806985600071 is a deficient number, since it is larger than the sum of its proper divisors (1).

3806985600071 is an equidigital number, since it uses as much as digits as its factorization.

3806985600071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2177280, while the sum is 53.

The spelling of 3806985600071 in words is "three trillion, eight hundred six billion, nine hundred eighty-five million, six hundred thousand, seventy-one".