985278424033 has 2 divisors, whose sum is σ = 985278424034. Its totient is φ = 985278424032.

The previous prime is 985278424019. The next prime is 985278424051. The reversal of 985278424033 is 330424872589.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 886171828689 + 99106595344 = 941367^2 + 314812^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-985278424033 is a prime.

It is not a weakly prime, because it can be changed into another prime (985278424063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 492639212016 + 492639212017.

It is an arithmetic number, because the mean of its divisors is an integer number (492639212017).

Almost surely, 2^985278424033 is an apocalyptic number.

It is an amenable number.

985278424033 is a deficient number, since it is larger than the sum of its proper divisors (1).

985278424033 is an equidigital number, since it uses as much as digits as its factorization.

985278424033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 985278424033 in words is "nine hundred eighty-five billion, two hundred seventy-eight million, four hundred twenty-four thousand, thirty-three".