3745623169 has 2 divisors, whose sum is σ = 3745623170. Its totient is φ = 3745623168.

The previous prime is 3745623103. The next prime is 3745623179. The reversal of 3745623169 is 9613265473.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3273212944 + 472410225 = 57212^2 + 21735^2 .

It is a cyclic number.

It is not a de Polignac number, because 3745623169 - 2⁷ = 3745623041 is a prime.

It is a super-2 number, since 2×3745623169² = 28059385848299205122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (3745623179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1872811584 + 1872811585.

It is an arithmetic number, because the mean of its divisors is an integer number (1872811585).

Almost surely, 2^3745623169 is an apocalyptic number.

It is an amenable number.

3745623169 is a deficient number, since it is larger than the sum of its proper divisors (1).

3745623169 is an equidigital number, since it uses as much as digits as its factorization.

3745623169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 46.

The square root of 3745623169 is about 61201.4964604625. The cubic root of 3745623169 is about 1553.0115807091.

The spelling of 3745623169 in words is "three billion, seven hundred forty-five million, six hundred twenty-three thousand, one hundred sixty-nine".