2115162673 has 4 divisors (see below), whose sum is σ = 2277867508. Its totient is φ = 1952457840.

The previous prime is 2115162671. The next prime is 2115162677. The reversal of 2115162673 is 3762615112.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 107495424 + 2007667249 = 10368^2 + 44807^2 .

It is a cyclic number.

It is not a de Polignac number, because 2115162673 - 2¹ = 2115162671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2115162671) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81352398 + ... + 81352423.

It is an arithmetic number, because the mean of its divisors is an integer number (569466877).

Almost surely, 2^2115162673 is an apocalyptic number.

It is an amenable number.

2115162673 is a deficient number, since it is larger than the sum of its proper divisors (162704835).

2115162673 is a wasteful number, since it uses less digits than its factorization.

2115162673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162704834.

The product of its digits is 15120, while the sum is 34.

The square root of 2115162673 is about 45990.8977190052. The cubic root of 2115162673 is about 1283.6538407590.

Adding to 2115162673 its reverse (3762615112), we get a palindrome (5877777785).

The spelling of 2115162673 in words is "two billion, one hundred fifteen million, one hundred sixty-two thousand, six hundred seventy-three".