3745631173 has 2 divisors, whose sum is σ = 3745631174. Its totient is φ = 3745631172.

The previous prime is 3745631093. The next prime is 3745631189. The reversal of 3745631173 is 3711365473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3718194529 + 27436644 = 60977^2 + 5238^2 .

It is an emirp because it is prime and its reverse (3711365473) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3745631173 - 2²¹ = 3743534021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3745631873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872815586 + 1872815587.

It is an arithmetic number, because the mean of its divisors is an integer number (1872815587).

Almost surely, 2^3745631173 is an apocalyptic number.

It is an amenable number.

3745631173 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745631173 is an equidigital number, since it uses as much as digits as its factorization.

3745631173 is an evil number, because the sum of its binary digits is even.

The product of its digits is 158760, while the sum is 40.

The square root of 3745631173 is about 61201.5618509855. The cubic root of 3745631173 is about 1553.0126869154.

The spelling of 3745631173 in words is "three billion, seven hundred forty-five million, six hundred thirty-one thousand, one hundred seventy-three".