2167740481 has 3 divisors (see below), whose sum is σ = 2167787041. Its totient is φ = 2167693922.

The previous prime is 2167740461. The next prime is 2167740539. The reversal of 2167740481 is 1840477612.

It is a happy number.

The square root of 2167740481 is 46559.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 2167740481 - 2²⁷ = 2033522753 is a prime.

It is a super-2 number, since 2×2167740481² = 9398197585932222722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2167740461) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 23280 + ... + 69838.

Almost surely, 2^2167740481 is an apocalyptic number.

2167740481 is the 46559-th square number.

2167740481 is the 23280-th centered octagonal number.

It is an amenable number.

2167740481 is a deficient number, since it is larger than the sum of its proper divisors (46560).

2167740481 is an frugal number, since it uses more digits than its factorization.

2167740481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93118 (or 46559 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 40.

The cubic root of 2167740481 is about 1294.2030806972.

The spelling of 2167740481 in words is "two billion, one hundred sixty-seven million, seven hundred forty thousand, four hundred eighty-one".