3616078878749 has 2 divisors, whose sum is σ = 3616078878750. Its totient is φ = 3616078878748.

The previous prime is 3616078878703. The next prime is 3616078878761. The reversal of 3616078878749 is 9478788706163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2112284356900 + 1503794521849 = 1453370^2 + 1226293^2 .

It is a cyclic number.

It is not a de Polignac number, because 3616078878749 - 2⁸ = 3616078878493 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3616078818749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1808039439374 + 1808039439375.

It is an arithmetic number, because the mean of its divisors is an integer number (1808039439375).

Almost surely, 2^{3616078878749} is an apocalyptic number.

It is an amenable number.

3616078878749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3616078878749 is an equidigital number, since it uses as much as digits as its factorization.

3616078878749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 682795008, while the sum is 74.

The spelling of 3616078878749 in words is "three trillion, six hundred sixteen billion, seventy-eight million, eight hundred seventy-eight thousand, seven hundred forty-nine".