1701664213 has 2 divisors, whose sum is σ = 1701664214. Its totient is φ = 1701664212.

The previous prime is 1701664207. The next prime is 1701664243. The reversal of 1701664213 is 3124661071.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1449553329 + 252110884 = 38073^2 + 15878^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1701664213 is a prime.

It is a super-2 number, since 2×1701664213² = 5791322187609818738, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1701664243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 850832106 + 850832107.

It is an arithmetic number, because the mean of its divisors is an integer number (850832107).

Almost surely, 2^1701664213 is an apocalyptic number.

It is an amenable number.

1701664213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1701664213 is an equidigital number, since it uses as much as digits as its factorization.

1701664213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 1701664213 is about 41251.2328664247. The cubic root of 1701664213 is about 1193.8725179004.

The spelling of 1701664213 in words is "one billion, seven hundred one million, six hundred sixty-four thousand, two hundred thirteen".