2071686210901 has 2 divisors, whose sum is σ = 2071686210902. Its totient is φ = 2071686210900.

The previous prime is 2071686210829. The next prime is 2071686210947. The reversal of 2071686210901 is 1090126861702.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1941744706225 + 129941504676 = 1393465^2 + 360474^2 .

It is a cyclic number.

It is not a de Polignac number, because 2071686210901 - 2⁷ = 2071686210773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2071686210001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1035843105450 + 1035843105451.

It is an arithmetic number, because the mean of its divisors is an integer number (1035843105451).

Almost surely, 2^{2071686210901} is an apocalyptic number.

It is an amenable number.

2071686210901 is a deficient number, since it is larger than the sum of its proper divisors (1).

2071686210901 is an equidigital number, since it uses as much as digits as its factorization.

2071686210901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 2071686210901 in words is "two trillion, seventy-one billion, six hundred eighty-six million, two hundred ten thousand, nine hundred one".