7705226149 has 4 divisors (see below), whose sum is σ = 8158474764. Its totient is φ = 7251977536.

The previous prime is 7705226143. The next prime is 7705226189. The reversal of 7705226149 is 9416225077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3573050625 + 4132175524 = 59775^2 + 64282^2 .

It is a cyclic number.

It is not a de Polignac number, because 7705226149 - 2⁵ = 7705226117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7705226143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226624282 + ... + 226624315.

It is an arithmetic number, because the mean of its divisors is an integer number (2039618691).

Almost surely, 2^7705226149 is an apocalyptic number.

It is an amenable number.

7705226149 is a deficient number, since it is larger than the sum of its proper divisors (453248615).

7705226149 is a wasteful number, since it uses less digits than its factorization.

7705226149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453248614.

The product of its (nonzero) digits is 211680, while the sum is 43.

The square root of 7705226149 is about 87779.4175704077. The cubic root of 7705226149 is about 1975.1274733938.

The spelling of 7705226149 in words is "seven billion, seven hundred five million, two hundred twenty-six thousand, one hundred forty-nine".