3618065939 has 2 divisors, whose sum is σ = 3618065940. Its totient is φ = 3618065938.

The previous prime is 3618065933. The next prime is 3618065963. The reversal of 3618065939 is 9395608163.

It is a weak prime.

It is an emirp because it is prime and its reverse (9395608163) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3618065939 is a prime.

It is a super-2 number, since 2×3618065939² = 26180802277903903442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3618065933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1809032969 + 1809032970.

It is an arithmetic number, because the mean of its divisors is an integer number (1809032970).

Almost surely, 2^3618065939 is an apocalyptic number.

3618065939 is a deficient number, since it is larger than the sum of its proper divisors (1).

3618065939 is an equidigital number, since it uses as much as digits as its factorization.

3618065939 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1049760, while the sum is 50.

The square root of 3618065939 is about 60150.3610878605. The cubic root of 3618065939 is about 1535.1783103029.

The spelling of 3618065939 in words is "three billion, six hundred eighteen million, sixty-five thousand, nine hundred thirty-nine".