2132684261 has 2 divisors, whose sum is σ = 2132684262. Its totient is φ = 2132684260.

The previous prime is 2132684251. The next prime is 2132684341. The reversal of 2132684261 is 1624862312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1076824225 + 1055860036 = 32815^2 + 32494^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2132684261 is a prime.

It is a super-2 number, since 2×2132684261² = 9096684314234232242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2132684251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066342130 + 1066342131.

It is an arithmetic number, because the mean of its divisors is an integer number (1066342131).

Almost surely, 2^2132684261 is an apocalyptic number.

It is an amenable number.

2132684261 is a deficient number, since it is larger than the sum of its proper divisors (1).

2132684261 is an equidigital number, since it uses as much as digits as its factorization.

2132684261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 35.

The square root of 2132684261 is about 46180.9945865179. The cubic root of 2132684261 is about 1287.1886094713.

The spelling of 2132684261 in words is "two billion, one hundred thirty-two million, six hundred eighty-four thousand, two hundred sixty-one".