2171460673 has 2 divisors, whose sum is σ = 2171460674. Its totient is φ = 2171460672.

The previous prime is 2171460667. The next prime is 2171460743. The reversal of 2171460673 is 3760641712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1243831824 + 927628849 = 35268^2 + 30457^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2171460673 is a prime.

It is a super-2 number, since 2×2171460673² = 9430482908771225858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2171460623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1085730336 + 1085730337.

It is an arithmetic number, because the mean of its divisors is an integer number (1085730337).

Almost surely, 2^2171460673 is an apocalyptic number.

It is an amenable number.

2171460673 is a deficient number, since it is larger than the sum of its proper divisors (1).

2171460673 is an equidigital number, since it uses as much as digits as its factorization.

2171460673 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 2171460673 is about 46598.9342474697. The cubic root of 2171460673 is about 1294.9430112616.

The spelling of 2171460673 in words is "two billion, one hundred seventy-one million, four hundred sixty thousand, six hundred seventy-three".