9761628149 has 12 divisors (see below), whose sum is σ = 12228853644. Its totient is φ = 7723485504.

The previous prime is 9761628133. The next prime is 9761628169. The reversal of 9761628149 is 9418261679.

It can be written as a sum of positive squares in 2 ways, for example, as 5315139025 + 4446489124 = 72905^2 + 66682^2 .

It is not a de Polignac number, because 9761628149 - 2⁴ = 9761628133 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9761628149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9761628169) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7661552 + ... + 7662825.

It is an arithmetic number, because the mean of its divisors is an integer number (1019071137).

Almost surely, 2^9761628149 is an apocalyptic number.

It is an amenable number.

9761628149 is a deficient number, since it is larger than the sum of its proper divisors (2467225495).

9761628149 is a wasteful number, since it uses less digits than its factorization.

9761628149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15324404 (or 15324397 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 53.

The square root of 9761628149 is about 98800.9521664645. The cubic root of 9761628149 is about 2137.1782874071.

The spelling of 9761628149 in words is "nine billion, seven hundred sixty-one million, six hundred twenty-eight thousand, one hundred forty-nine".