3681371567 has 2 divisors, whose sum is σ = 3681371568. Its totient is φ = 3681371566.

The previous prime is 3681371557. The next prime is 3681371579. The reversal of 3681371567 is 7651731863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7651731863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3681371567 - 2²⁰ = 3680322991 is a prime.

It is a super-2 number, since 2×3681371567² = 27104993228632070978, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3681371527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840685783 + 1840685784.

It is an arithmetic number, because the mean of its divisors is an integer number (1840685784).

Almost surely, 2^3681371567 is an apocalyptic number.

3681371567 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681371567 is an equidigital number, since it uses as much as digits as its factorization.

3681371567 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 3681371567 is about 60674.3073054815. The cubic root of 3681371567 is about 1544.0803088010.

The spelling of 3681371567 in words is "three billion, six hundred eighty-one million, three hundred seventy-one thousand, five hundred sixty-seven".