9139963472641 has 16 divisors (see below), whose sum is σ = 9578640234240. Its totient is φ = 8710016232960.

The previous prime is 9139963472579. The next prime is 9139963472657. The reversal of 9139963472641 is 1462743699319.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9139963472641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9139963472141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3394315 + ... + 5459056.

It is an arithmetic number, because the mean of its divisors is an integer number (598665014640).

Almost surely, 2^{9139963472641} is an apocalyptic number.

It is an amenable number.

9139963472641 is a deficient number, since it is larger than the sum of its proper divisors (438676761599).

9139963472641 is a wasteful number, since it uses less digits than its factorization.

9139963472641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8853864.

The product of its digits is 52907904, while the sum is 64.

The spelling of 9139963472641 in words is "nine trillion, one hundred thirty-nine billion, nine hundred sixty-three million, four hundred seventy-two thousand, six hundred forty-one".