3745589816 has 32 divisors (see below), whose sum is σ = 7107791040. Its totient is φ = 1850247168.

The previous prime is 3745589789. The next prime is 3745589839. The reversal of 3745589816 is 6189855473.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 474881 + ... + 482703.

It is an arithmetic number, because the mean of its divisors is an integer number (222118470).

Almost surely, 2^3745589816 is an apocalyptic number.

It is an amenable number.

3745589816 is a deficient number, since it is larger than the sum of its proper divisors (3362201224).

3745589816 is a wasteful number, since it uses less digits than its factorization.

3745589816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8543 (or 8539 counting only the distinct ones).

The product of its digits is 7257600, while the sum is 56.

The square root of 3745589816 is about 61201.2239746886. The cubic root of 3745589816 is about 1553.0069710846.

The spelling of 3745589816 in words is "three billion, seven hundred forty-five million, five hundred eighty-nine thousand, eight hundred sixteen".