9961379498 has 16 divisors (see below), whose sum is σ = 17252700864. Its totient is φ = 4225150080.

The previous prime is 9961379497. The next prime is 9961379503. The reversal of 9961379498 is 8949731699.

It is not an unprimeable number, because it can be changed into a prime (9961379497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3666308 + ... + 3669023.

It is an arithmetic number, because the mean of its divisors is an integer number (1078293804).

Almost surely, 2^9961379498 is an apocalyptic number.

9961379498 is a deficient number, since it is larger than the sum of its proper divisors (7291321366).

9961379498 is a wasteful number, since it uses less digits than its factorization.

9961379498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7335437.

The product of its digits is 26453952, while the sum is 65.

The square root of 9961379498 is about 99806.7106862059. The cubic root of 9961379498 is about 2151.6576002291.

The spelling of 9961379498 in words is "nine billion, nine hundred sixty-one million, three hundred seventy-nine thousand, four hundred ninety-eight".