2072173841 has 2 divisors, whose sum is σ = 2072173842. Its totient is φ = 2072173840.

The previous prime is 2072173823. The next prime is 2072173867. The reversal of 2072173841 is 1483712702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1451914816 + 620259025 = 38104^2 + 24905^2 .

It is a cyclic number.

It is not a de Polignac number, because 2072173841 - 2⁶ = 2072173777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2072173811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1036086920 + 1036086921.

It is an arithmetic number, because the mean of its divisors is an integer number (1036086921).

Almost surely, 2^2072173841 is an apocalyptic number.

It is an amenable number.

2072173841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2072173841 is an equidigital number, since it uses as much as digits as its factorization.

2072173841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18816, while the sum is 35.

The square root of 2072173841 is about 45521.1362006706. The cubic root of 2072173841 is about 1274.8978702765.

The spelling of 2072173841 in words is "two billion, seventy-two million, one hundred seventy-three thousand, eight hundred forty-one".