3651224557772 has 24 divisors (see below), whose sum is σ = 7066006186512. Its totient is φ = 1636912627200.

The previous prime is 3651224557741. The next prime is 3651224557777. The reversal of 3651224557772 is 2777554221563.

3651224557772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3651224557777) 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, 568369229 + ... + 568375652.

It is an arithmetic number, because the mean of its divisors is an integer number (294416924438).

Almost surely, 2^{3651224557772} is an apocalyptic number.

It is an amenable number.

3651224557772 is a deficient number, since it is larger than the sum of its proper divisors (3414781628740).

3651224557772 is a wasteful number, since it uses less digits than its factorization.

3651224557772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1136744969 (or 1136744967 counting only the distinct ones).

The product of its digits is 24696000, while the sum is 56.

The spelling of 3651224557772 in words is "three trillion, six hundred fifty-one billion, two hundred twenty-four million, five hundred fifty-seven thousand, seven hundred seventy-two".