2162162473 has 2 divisors, whose sum is σ = 2162162474. Its totient is φ = 2162162472.

The previous prime is 2162162447. The next prime is 2162162489. The reversal of 2162162473 is 3742612612.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1683296784 + 478865689 = 41028^2 + 21883^2 .

It is a cyclic number.

It is not a de Polignac number, because 2162162473 - 2¹⁷ = 2162031401 is a prime.

It is not a weakly prime, because it can be changed into another prime (2162162423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1081081236 + 1081081237.

It is an arithmetic number, because the mean of its divisors is an integer number (1081081237).

Almost surely, 2^2162162473 is an apocalyptic number.

It is an amenable number.

2162162473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2162162473 is an equidigital number, since it uses as much as digits as its factorization.

2162162473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 34.

The square root of 2162162473 is about 46499.0588399378. The cubic root of 2162162473 is about 1293.0920504047.

The spelling of 2162162473 in words is "two billion, one hundred sixty-two million, one hundred sixty-two thousand, four hundred seventy-three".