9386940970745 has 8 divisors (see below), whose sum is σ = 12130816023816. Its totient is φ = 6931894870656.

The previous prime is 9386940970741. The next prime is 9386940970769. The reversal of 9386940970745 is 5470790496839.

It can be written as a sum of positive squares in 4 ways, for example, as 1174750331881 + 8212190638864 = 1083859^2 + 2865692^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9386940970745 - 2² = 9386940970741 is a prime.

It is a super-2 number, since 2×9386940970745² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9386940970741) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 72207238172 + ... + 72207238301.

It is an arithmetic number, because the mean of its divisors is an integer number (1516352002977).

Almost surely, 2^{9386940970745} is an apocalyptic number.

It is an amenable number.

9386940970745 is a deficient number, since it is larger than the sum of its proper divisors (2743875053071).

9386940970745 is a wasteful number, since it uses less digits than its factorization.

9386940970745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144414476491.

The product of its (nonzero) digits is 411505920, while the sum is 71.

The spelling of 9386940970745 in words is "nine trillion, three hundred eighty-six billion, nine hundred forty million, nine hundred seventy thousand, seven hundred forty-five".