2170996741 has 2 divisors, whose sum is σ = 2170996742. Its totient is φ = 2170996740.

The previous prime is 2170996691. The next prime is 2170996769. The reversal of 2170996741 is 1476990712.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1647548100 + 523448641 = 40590^2 + 22879^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170996741 - 2²⁷ = 2036779013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2170996691 and 2170996700.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2170996241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085498370 + 1085498371.

It is an arithmetic number, because the mean of its divisors is an integer number (1085498371).

Almost surely, 2^2170996741 is an apocalyptic number.

It is an amenable number.

2170996741 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170996741 is an equidigital number, since it uses as much as digits as its factorization.

2170996741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 190512, while the sum is 46.

The square root of 2170996741 is about 46593.9560565531. The cubic root of 2170996741 is about 1294.8507832822.

The spelling of 2170996741 in words is "two billion, one hundred seventy million, nine hundred ninety-six thousand, seven hundred forty-one".