2681742253 has 2 divisors, whose sum is σ = 2681742254. Its totient is φ = 2681742252.

The previous prime is 2681742233. The next prime is 2681742263. The reversal of 2681742253 is 3522471862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2335112329 + 346629924 = 48323^2 + 18618^2 .

It is a cyclic number.

It is not a de Polignac number, because 2681742253 - 2¹³ = 2681734061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2681742233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1340871126 + 1340871127.

It is an arithmetic number, because the mean of its divisors is an integer number (1340871127).

Almost surely, 2^2681742253 is an apocalyptic number.

It is an amenable number.

2681742253 is a deficient number, since it is larger than the sum of its proper divisors (1).

2681742253 is an equidigital number, since it uses as much as digits as its factorization.

2681742253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 40.

The square root of 2681742253 is about 51785.5409646361. The cubic root of 2681742253 is about 1389.3308465942.

The spelling of 2681742253 in words is "two billion, six hundred eighty-one million, seven hundred forty-two thousand, two hundred fifty-three".