2132684761 has 3 divisors (see below), whose sum is σ = 2132730943. Its totient is φ = 2132638580.

The previous prime is 2132684759. The next prime is 2132684783. The reversal of 2132684761 is 1674862312.

The square root of 2132684761 is 46181.

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 can be written as a sum of positive squares in only one way, i.e., 1695874761 + 436810000 = 41181^2 + 20900^2 .

It is not a de Polignac number, because 2132684761 - 2¹ = 2132684759 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2132684261) 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, 23091 + ... + 69271.

Almost surely, 2^2132684761 is an apocalyptic number.

2132684761 is the 46181-st square number.

2132684761 is the 23091-st centered octagonal number.

It is an amenable number.

2132684761 is a deficient number, since it is larger than the sum of its proper divisors (46182).

2132684761 is an frugal number, since it uses more digits than its factorization.

2132684761 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92362 (or 46181 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The cubic root of 2132684761 is about 1287.1887100635.

The spelling of 2132684761 in words is "two billion, one hundred thirty-two million, six hundred eighty-four thousand, seven hundred sixty-one".