3665491744 has 48 divisors (see below), whose sum is σ = 7339314528. Its totient is φ = 1801654272.

The previous prime is 3665491667. The next prime is 3665491747. The reversal of 3665491744 is 4471945663.

It is not an unprimeable number, because it can be changed into a prime (3665491747) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1235607 + ... + 1238569.

It is an arithmetic number, because the mean of its divisors is an integer number (152902386).

Almost surely, 2^3665491744 is an apocalyptic number.

It is an amenable number.

3665491744 is an abundant number, since it is smaller than the sum of its proper divisors (3673822784).

3665491744 is a wasteful number, since it uses less digits than its factorization.

3665491744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3617 (or 3609 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 3665491744 is about 60543.3047000244. The cubic root of 3665491744 is about 1541.8569470219.

The spelling of 3665491744 in words is "three billion, six hundred sixty-five million, four hundred ninety-one thousand, seven hundred forty-four".