3681614947 has 2 divisors, whose sum is σ = 3681614948. Its totient is φ = 3681614946.

The previous prime is 3681614941. The next prime is 3681614953. The reversal of 3681614947 is 7494161863.

It is a balanced prime because it is at equal distance from previous prime (3681614941) and next prime (3681614953).

It is an emirp because it is prime and its reverse (7494161863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3681614947 - 2³ = 3681614939 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3681614947.

It is not a weakly prime, because it can be changed into another prime (3681614941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1840807473 + 1840807474.

It is an arithmetic number, because the mean of its divisors is an integer number (1840807474).

Almost surely, 2^3681614947 is an apocalyptic number.

3681614947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3681614947 is an equidigital number, since it uses as much as digits as its factorization.

3681614947 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 49.

The square root of 3681614947 is about 60676.3128988570. The cubic root of 3681614947 is about 1544.1143350670.

It can be divided in two parts, 3681614 and 947, that added together give a square (3682561 = 1919²).

The spelling of 3681614947 in words is "three billion, six hundred eighty-one million, six hundred fourteen thousand, nine hundred forty-seven".