2170451513 has 2 divisors, whose sum is σ = 2170451514. Its totient is φ = 2170451512.

The previous prime is 2170451473. The next prime is 2170451551. The reversal of 2170451513 is 3151540712.

2170451513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2076807184 + 93644329 = 45572^2 + 9677^2 .

It is a cyclic number.

It is not a de Polignac number, because 2170451513 - 2⁶ = 2170451449 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2170451593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085225756 + 1085225757.

It is an arithmetic number, because the mean of its divisors is an integer number (1085225757).

Almost surely, 2^2170451513 is an apocalyptic number.

It is an amenable number.

2170451513 is a deficient number, since it is larger than the sum of its proper divisors (1).

2170451513 is an equidigital number, since it uses as much as digits as its factorization.

2170451513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 2170451513 is about 46588.1048444772. The cubic root of 2170451513 is about 1294.7423771602.

The spelling of 2170451513 in words is "two billion, one hundred seventy million, four hundred fifty-one thousand, five hundred thirteen".