4171746749 has 2 divisors, whose sum is σ = 4171746750. Its totient is φ = 4171746748.

The previous prime is 4171746737. The next prime is 4171746763. The reversal of 4171746749 is 9476471714.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4170834724 + 912025 = 64582^2 + 955^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4171746749 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4171746697 and 4171746706.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4171746779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2085873374 + 2085873375.

It is an arithmetic number, because the mean of its divisors is an integer number (2085873375).

Almost surely, 2^4171746749 is an apocalyptic number.

It is an amenable number.

4171746749 is a deficient number, since it is larger than the sum of its proper divisors (1).

4171746749 is an equidigital number, since it uses as much as digits as its factorization.

4171746749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 50.

The square root of 4171746749 is about 64589.0605985255. The cubic root of 4171746749 is about 1609.8026774875.

The spelling of 4171746749 in words is "four billion, one hundred seventy-one million, seven hundred forty-six thousand, seven hundred forty-nine".