3661086271 has 2 divisors, whose sum is σ = 3661086272. Its totient is φ = 3661086270.

The previous prime is 3661086257. The next prime is 3661086311. The reversal of 3661086271 is 1726801663.

It is a happy number.

It is an a-pointer prime, because the next prime (3661086311) can be obtained adding 3661086271 to its sum of digits (40).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3661086271 - 2¹³ = 3661078079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3661086071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1830543135 + 1830543136.

It is an arithmetic number, because the mean of its divisors is an integer number (1830543136).

Almost surely, 2^3661086271 is an apocalyptic number.

3661086271 is a deficient number, since it is larger than the sum of its proper divisors (1).

3661086271 is an equidigital number, since it uses as much as digits as its factorization.

3661086271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 3661086271 is about 60506.9109358592. The cubic root of 3661086271 is about 1541.2389915298.

The spelling of 3661086271 in words is "three billion, six hundred sixty-one million, eighty-six thousand, two hundred seventy-one".