9283960921621 has 2 divisors, whose sum is σ = 9283960921622. Its totient is φ = 9283960921620.

The previous prime is 9283960921579. The next prime is 9283960921657. The reversal of 9283960921621 is 1261290693829.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7418073220996 + 1865887700625 = 2723614^2 + 1365975^2 .

It is an emirp because it is prime and its reverse (1261290693829) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9283960921621 - 2¹¹ = 9283960919573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9283960921421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4641980460810 + 4641980460811.

It is an arithmetic number, because the mean of its divisors is an integer number (4641980460811).

Almost surely, 2^{9283960921621} is an apocalyptic number.

It is an amenable number.

9283960921621 is a deficient number, since it is larger than the sum of its proper divisors (1).

9283960921621 is an equidigital number, since it uses as much as digits as its factorization.

9283960921621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5038848, while the sum is 58.

The spelling of 9283960921621 in words is "nine trillion, two hundred eighty-three billion, nine hundred sixty million, nine hundred twenty-one thousand, six hundred twenty-one".