9969970440676 has 27 divisors (see below), whose sum is σ = 17476705919113. Its totient is φ = 4976639879120.

The previous prime is 9969970440649. The next prime is 9969970440719. The reversal of 9969970440676 is 6760440799699.

The square root of 9969970440676 is 3157526.

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

It can be written as a sum of positive squares in only one way, i.e., 4428541448100 + 5541428992576 = 2104410^2 + 2354024^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5753011506 + ... + 5753013238.

Almost surely, 2^{9969970440676} is an apocalyptic number.

9969970440676 is the 3157526-th square number.

It is an amenable number.

9969970440676 is a deficient number, since it is larger than the sum of its proper divisors (7506735478437).

9969970440676 is an frugal number, since it uses more digits than its factorization.

9969970440676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5292 (or 2646 counting only the distinct ones).

The product of its (nonzero) digits is 1111065984, while the sum is 76.

The spelling of 9969970440676 in words is "nine trillion, nine hundred sixty-nine billion, nine hundred seventy million, four hundred forty thousand, six hundred seventy-six".