3681614939 has 2 divisors, whose sum is σ = 3681614940. Its totient is φ = 3681614938.

The previous prime is 3681614831. The next prime is 3681614941. The reversal of 3681614939 is 9394161863.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3681614939 - 2⁸ = 3681614683 is a prime.

Together with 3681614941, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3681614999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840807469 + 1840807470.

It is an arithmetic number, because the mean of its divisors is an integer number (1840807470).

Almost surely, 2^3681614939 is an apocalyptic number.

3681614939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681614939 is an equidigital number, since it uses as much as digits as its factorization.

3681614939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 839808, while the sum is 50.

The square root of 3681614939 is about 60676.3128329334. The cubic root of 3681614939 is about 1544.1143339485.

The spelling of 3681614939 in words is "three billion, six hundred eighty-one million, six hundred fourteen thousand, nine hundred thirty-nine".