8922986993 has 2 divisors, whose sum is σ = 8922986994. Its totient is φ = 8922986992.

The previous prime is 8922986977. The next prime is 8922987023. The reversal of 8922986993 is 3996892298.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6960231184 + 1962755809 = 83428^2 + 44303^2 .

It is a cyclic number.

It is not a de Polignac number, because 8922986993 - 2⁴ = 8922986977 is a prime.

It is not a weakly prime, because it can be changed into another prime (8922986393) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4461493496 + 4461493497.

It is an arithmetic number, because the mean of its divisors is an integer number (4461493497).

Almost surely, 2^8922986993 is an apocalyptic number.

It is an amenable number.

8922986993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8922986993 is an equidigital number, since it uses as much as digits as its factorization.

8922986993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30233088, while the sum is 65.

The square root of 8922986993 is about 94461.5635748213. The cubic root of 8922986993 is about 2074.1337260150.

The spelling of 8922986993 in words is "eight billion, nine hundred twenty-two million, nine hundred eighty-six thousand, nine hundred ninety-three".