2174946749 has 2 divisors, whose sum is σ = 2174946750. Its totient is φ = 2174946748.

The previous prime is 2174946737. The next prime is 2174946797. The reversal of 2174946749 is 9476494712.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1362126649 + 812820100 = 36907^2 + 28510^2 .

It is a cyclic number.

It is not a de Polignac number, because 2174946749 - 2⁴ = 2174946733 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2174946749.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2174946349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1087473374 + 1087473375.

It is an arithmetic number, because the mean of its divisors is an integer number (1087473375).

Almost surely, 2^2174946749 is an apocalyptic number.

It is an amenable number.

2174946749 is a deficient number, since it is larger than the sum of its proper divisors (1).

2174946749 is an equidigital number, since it uses as much as digits as its factorization.

2174946749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3048192, while the sum is 53.

The square root of 2174946749 is about 46636.3243513037. The cubic root of 2174946749 is about 1295.6356105207.

The spelling of 2174946749 in words is "two billion, one hundred seventy-four million, nine hundred forty-six thousand, seven hundred forty-nine".