3744819749 has 4 divisors (see below), whose sum is σ = 4085257920. Its totient is φ = 3404381580.

The previous prime is 3744819709. The next prime is 3744819769. The reversal of 3744819749 is 9479184473.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3744819749 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3744819694 and 3744819703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3744819709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170219069 + ... + 170219090.

It is an arithmetic number, because the mean of its divisors is an integer number (1021314480).

Almost surely, 2^3744819749 is an apocalyptic number.

It is an amenable number.

3744819749 is a deficient number, since it is larger than the sum of its proper divisors (340438171).

3744819749 is a wasteful number, since it uses less digits than its factorization.

3744819749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340438170.

The product of its digits is 6096384, while the sum is 56.

The square root of 3744819749 is about 61194.9323800591. The cubic root of 3744819749 is about 1552.9005346758.

The spelling of 3744819749 in words is "three billion, seven hundred forty-four million, eight hundred nineteen thousand, seven hundred forty-nine".