8900053993 has 2 divisors, whose sum is σ = 8900053994. Its totient is φ = 8900053992.

The previous prime is 8900053961. The next prime is 8900053999. The reversal of 8900053993 is 3993500098.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7907299929 + 992754064 = 88923^2 + 31508^2 .

It is a cyclic number.

It is not a de Polignac number, because 8900053993 - 2⁵ = 8900053961 is a prime.

It is a super-2 number, since 2×8900053993² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8900053999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4450026996 + 4450026997.

It is an arithmetic number, because the mean of its divisors is an integer number (4450026997).

Almost surely, 2^8900053993 is an apocalyptic number.

It is an amenable number.

8900053993 is a deficient number, since it is larger than the sum of its proper divisors (1).

8900053993 is an equidigital number, since it uses as much as digits as its factorization.

8900053993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 262440, while the sum is 46.

The square root of 8900053993 is about 94340.0974824597. The cubic root of 8900053993 is about 2072.3552887794.

The spelling of 8900053993 in words is "eight billion, nine hundred million, fifty-three thousand, nine hundred ninety-three".