3665000749 has 2 divisors, whose sum is σ = 3665000750. Its totient is φ = 3665000748.

The previous prime is 3665000747. The next prime is 3665000767. The reversal of 3665000749 is 9470005663.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3148893225 + 516107524 = 56115^2 + 22718^2 .

It is a cyclic number.

It is not a de Polignac number, because 3665000749 - 2¹ = 3665000747 is a prime.

It is a super-2 number, since 2×3665000749² = 26864460980341122002, which contains 22 as substring.

Together with 3665000747, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3665000741) 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, 1832500374 + 1832500375.

It is an arithmetic number, because the mean of its divisors is an integer number (1832500375).

Almost surely, 2^3665000749 is an apocalyptic number.

It is an amenable number.

3665000749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665000749 is an equidigital number, since it uses as much as digits as its factorization.

3665000749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 3665000749 is about 60539.2496567310. The cubic root of 3665000749 is about 1541.7880997012.

The spelling of 3665000749 in words is "three billion, six hundred sixty-five million, seven hundred forty-nine", and thus it is an aban number.