3746544649 has 8 divisors (see below), whose sum is σ = 3876387840. Its totient is φ = 3617263200.

The previous prime is 3746544629. The next prime is 3746544661. The reversal of 3746544649 is 9464456473.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3746544649 - 2¹¹ = 3746542601 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3746544596 and 3746544605.

It is not an unprimeable number, because it can be changed into a prime (3746544629) 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 in 7 ways as a sum of consecutive naturals, for example, 126844 + ... + 153565.

It is an arithmetic number, because the mean of its divisors is an integer number (484548480).

Almost surely, 2^3746544649 is an apocalyptic number.

It is an amenable number.

3746544649 is a deficient number, since it is larger than the sum of its proper divisors (129843191).

3746544649 is a wasteful number, since it uses less digits than its factorization.

3746544649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 280871.

The product of its digits is 8709120, while the sum is 52.

The square root of 3746544649 is about 61209.0242447958. The cubic root of 3746544649 is about 1553.1389250528.

The spelling of 3746544649 in words is "three billion, seven hundred forty-six million, five hundred forty-four thousand, six hundred forty-nine".