988947335249 has 2 divisors, whose sum is σ = 988947335250. Its totient is φ = 988947335248.

The previous prime is 988947335227. The next prime is 988947335287. The reversal of 988947335249 is 942533749889.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 800187499024 + 188759836225 = 894532^2 + 434465^2 .

It is a cyclic number.

It is not a de Polignac number, because 988947335249 - 2⁸ = 988947334993 is a prime.

It is not a weakly prime, because it can be changed into another prime (988947235249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 494473667624 + 494473667625.

It is an arithmetic number, because the mean of its divisors is an integer number (494473667625).

Almost surely, 2^988947335249 is an apocalyptic number.

It is an amenable number.

988947335249 is a deficient number, since it is larger than the sum of its proper divisors (1).

988947335249 is an equidigital number, since it uses as much as digits as its factorization.

988947335249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 470292480, while the sum is 71.

The spelling of 988947335249 in words is "nine hundred eighty-eight billion, nine hundred forty-seven million, three hundred thirty-five thousand, two hundred forty-nine".