3689724271 has 2 divisors, whose sum is σ = 3689724272. Its totient is φ = 3689724270.

The previous prime is 3689724221. The next prime is 3689724293. The reversal of 3689724271 is 1724279863.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3689724271 is a prime.

It is a super-2 number, since 2×3689724271² = 27228130392012962882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3689724211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844862135 + 1844862136.

It is an arithmetic number, because the mean of its divisors is an integer number (1844862136).

Almost surely, 2^3689724271 is an apocalyptic number.

3689724271 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689724271 is an equidigital number, since it uses as much as digits as its factorization.

3689724271 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1016064, while the sum is 49.

The square root of 3689724271 is about 60743.1006041015. The cubic root of 3689724271 is about 1545.2472202433.

The spelling of 3689724271 in words is "three billion, six hundred eighty-nine million, seven hundred twenty-four thousand, two hundred seventy-one".