9661348744 has 64 divisors (see below), whose sum is σ = 19347174000. Its totient is φ = 4507238400.

The previous prime is 9661348699. The next prime is 9661348759. The reversal of 9661348744 is 4478431669.

It can be written as a sum of positive squares in 8 ways, for example, as 9358240644 + 303108100 = 96738^2 + 17410^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9661348691 and 9661348700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9209532 + ... + 9210580.

Almost surely, 2^9661348744 is an apocalyptic number.

It is an amenable number.

9661348744 is an abundant number, since it is smaller than the sum of its proper divisors (9685825256).

9661348744 is a wasteful number, since it uses less digits than its factorization.

9661348744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594 (or 1590 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 52.

The square root of 9661348744 is about 98292.1601349772. The cubic root of 9661348744 is about 2129.8348042073.

The spelling of 9661348744 in words is "nine billion, six hundred sixty-one million, three hundred forty-eight thousand, seven hundred forty-four".