9807797403533 has 2 divisors, whose sum is σ = 9807797403534. Its totient is φ = 9807797403532.

The previous prime is 9807797403499. The next prime is 9807797403557. The reversal of 9807797403533 is 3353047977089.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9797319424489 + 10477979044 = 3130067^2 + 102362^2 .

It is a cyclic number.

It is not a de Polignac number, because 9807797403533 - 2³² = 9803502436237 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9807797403533.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9807797403433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4903898701766 + 4903898701767.

It is an arithmetic number, because the mean of its divisors is an integer number (4903898701767).

Almost surely, 2^{9807797403533} is an apocalyptic number.

It is an amenable number.

9807797403533 is a deficient number, since it is larger than the sum of its proper divisors (1).

9807797403533 is an equidigital number, since it uses as much as digits as its factorization.

9807797403533 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120022560, while the sum is 65.

The spelling of 9807797403533 in words is "nine trillion, eight hundred seven billion, seven hundred ninety-seven million, four hundred three thousand, five hundred thirty-three".