3774136349 has 2 divisors, whose sum is σ = 3774136350. Its totient is φ = 3774136348.

The previous prime is 3774136337. The next prime is 3774136363. The reversal of 3774136349 is 9436314773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3653356249 + 120780100 = 60443^2 + 10990^2 .

It is a cyclic number.

It is not a de Polignac number, because 3774136349 - 2¹² = 3774132253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3774136549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1887068174 + 1887068175.

It is an arithmetic number, because the mean of its divisors is an integer number (1887068175).

Almost surely, 2^3774136349 is an apocalyptic number.

It is an amenable number.

3774136349 is a deficient number, since it is larger than the sum of its proper divisors (1).

3774136349 is an equidigital number, since it uses as much as digits as its factorization.

3774136349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1143072, while the sum is 47.

The square root of 3774136349 is about 61433.9999430283. Note that the first 4 decimals coincide. The cubic root of 3774136349 is about 1556.9423382210.

The spelling of 3774136349 in words is "three billion, seven hundred seventy-four million, one hundred thirty-six thousand, three hundred forty-nine".