8902921801 has 2 divisors, whose sum is σ = 8902921802. Its totient is φ = 8902921800.

The previous prime is 8902921793. The next prime is 8902921813. The reversal of 8902921801 is 1081292098.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6072149776 + 2830772025 = 77924^2 + 53205^2 .

It is a cyclic number.

It is not a de Polignac number, because 8902921801 - 2³ = 8902921793 is a prime.

It is not a weakly prime, because it can be changed into another prime (8902921831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4451460900 + 4451460901.

It is an arithmetic number, because the mean of its divisors is an integer number (4451460901).

Almost surely, 2^8902921801 is an apocalyptic number.

It is an amenable number.

8902921801 is a deficient number, since it is larger than the sum of its proper divisors (1).

8902921801 is an equidigital number, since it uses as much as digits as its factorization.

8902921801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 40.

The square root of 8902921801 is about 94355.2955641600. The cubic root of 8902921801 is about 2072.5778521802.

The spelling of 8902921801 in words is "eight billion, nine hundred two million, nine hundred twenty-one thousand, eight hundred one".