3718745844025 has 81 divisors (see below), whose sum is σ = 4973257758189. Its totient is φ = 2758020258240.

The previous prime is 3718745844007. The next prime is 3718745844031. The reversal of 3718745844025 is 5204485478173.

It is a happy number.

The square root of 3718745844025 is 1928405.

It is a perfect power (a square), and thus also a powerful number.

3718745844025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 28013051641 + 3690732792384 = 167371^2 + 1921128^2 .

It is not a de Polignac number, because 3718745844025 - 2²⁷ = 3718611626297 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 9709518984 + ... + 9709519366.

Almost surely, 2^{3718745844025} is an apocalyptic number.

3718745844025 is the 1928405-th square number.

3718745844025 is the 964203-rd centered octagonal number.

It is an amenable number.

3718745844025 is a deficient number, since it is larger than the sum of its proper divisors (1254511914164).

3718745844025 is an frugal number, since it uses more digits than its factorization.

3718745844025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 920 (or 460 counting only the distinct ones).

The product of its (nonzero) digits is 30105600, while the sum is 58.

The spelling of 3718745844025 in words is "three trillion, seven hundred eighteen billion, seven hundred forty-five million, eight hundred forty-four thousand, twenty-five".