9749106990736 has 225 divisors, whose sum is σ = 20912939312391. Its totient is φ = 4402671833088.

The previous prime is 9749106990691. The next prime is 9749106990761. The reversal of 9749106990736 is 6370996019479.

The square root of 9749106990736 is 3122356.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 22 ways, for example, as 1897902990736 + 7851204000000 = 1377644^2 + 2802000^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 133549410796 + ... + 133549410868.

Almost surely, 2^{9749106990736} is an apocalyptic number.

9749106990736 is the 3122356-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9749106990736

9749106990736 is an abundant number, since it is smaller than the sum of its proper divisors (11163832321655).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9749106990736 is an frugal number, since it uses more digits than its factorization.

9749106990736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 138883248, while the sum is 70.

The spelling of 9749106990736 in words is "nine trillion, seven hundred forty-nine billion, one hundred six million, nine hundred ninety thousand, seven hundred thirty-six".