3807618349 has 2 divisors, whose sum is σ = 3807618350. Its totient is φ = 3807618348.

The previous prime is 3807618341. The next prime is 3807618361. The reversal of 3807618349 is 9438167083.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3775242249 + 32376100 = 61443^2 + 5690^2 .

It is a cyclic number.

It is not a de Polignac number, because 3807618349 - 2³ = 3807618341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3807618341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1903809174 + 1903809175.

It is an arithmetic number, because the mean of its divisors is an integer number (1903809175).

Almost surely, 2^3807618349 is an apocalyptic number.

It is an amenable number.

3807618349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3807618349 is an equidigital number, since it uses as much as digits as its factorization.

3807618349 is an evil number, because the sum of its binary digits is even.

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

The square root of 3807618349 is about 61705.9020596896. The cubic root of 3807618349 is about 1561.5328934514.

The spelling of 3807618349 in words is "three billion, eight hundred seven million, six hundred eighteen thousand, three hundred forty-nine".