3773628645 has 16 divisors (see below), whose sum is σ = 6038688192. Its totient is φ = 2012307840.

The previous prime is 3773628641. The next prime is 3773628647. The reversal of 3773628645 is 5468263773.

It is not a de Polignac number, because 3773628645 - 2² = 3773628641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3773628641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 122529 + ... + 150201.

It is an arithmetic number, because the mean of its divisors is an integer number (377418012).

Almost surely, 2^3773628645 is an apocalyptic number.

It is an amenable number.

3773628645 is a deficient number, since it is larger than the sum of its proper divisors (2265059547).

3773628645 is a wasteful number, since it uses less digits than its factorization.

3773628645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36772.

The product of its digits is 5080320, while the sum is 51.

The square root of 3773628645 is about 61429.8676947949. The cubic root of 3773628645 is about 1556.8725208087.

The spelling of 3773628645 in words is "three billion, seven hundred seventy-three million, six hundred twenty-eight thousand, six hundred forty-five".