9961253108 has 6 divisors (see below), whose sum is σ = 17432192946. Its totient is φ = 4980626552.

The previous prime is 9961253077. The next prime is 9961253117. The reversal of 9961253108 is 8013521699.

It is a happy number.

9961253108 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 8976046564 + 985206544 = 94742^2 + 31388^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1245156635 + ... + 1245156642.

It is an arithmetic number, because the mean of its divisors is an integer number (2905365491).

Almost surely, 2^9961253108 is an apocalyptic number.

It is an amenable number.

9961253108 is a deficient number, since it is larger than the sum of its proper divisors (7470939838).

9961253108 is a wasteful number, since it uses less digits than its factorization.

9961253108 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2490313281 (or 2490313279 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 44.

The square root of 9961253108 is about 99806.0775103400. The cubic root of 9961253108 is about 2151.6485001122.

The spelling of 9961253108 in words is "nine billion, nine hundred sixty-one million, two hundred fifty-three thousand, one hundred eight".